DES MOINES, Iowa (AP) — No one has won the big Powerball prize, so the estimated jackpot now grows to $750 million — potentially the fourth-largest lottery jackpot in U.S. history.

The next drawing will be Saturday.

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On Wednesday night, when it was at $620 million, the Powerball jackpot looked sort of puny given all the attention lavished on the $1.537 billion Mega Millions jackpot won in South Carolina on Tuesday. But with two giant prizes in one week, it was hard not to compare.

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Only three lottery jackpots have been larger than the next Powerball prize.

No one has won the Powerball jackpot since Aug. 11, when a man from Staten Island, New York, won $245.6 million.

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