648 squared is 419,904.
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The LCM is 648.
25% of 648= 25% * 648= 0.25 * 648= 162
648 = ?%*900 648 = x/100*900 648 = 9x x = 648/9 x = 72
648 multiplied by 209 is 135,432.
648/(72/100) = 900 Therefore, the number that 648 is 72 percent of, is 900.