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Finding the Fourth Proportional to 935,495.93, 1,290,978.07 and 527,601.26

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Solution

The fourth proportional to 935,495.93, 1,290,978.07 and 527,601.26 is: 728,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,495.93 : 1,290,978.07 = 527,601.26 : x
  2. Step 2: Convert to fraction form
    935,495.93/1,290,978.07 = 527,601.26/x
  3. Step 3: Cross multiply
    935,495.93x = 1,290,978.07 × 527,601.26
  4. Step 4: Simplify right side
    935,495.93x = 681,121,658,272.81
  5. Step 5: Solve for x
    x = 681,121,658,272.81/935,495.93
  6. Step 6: Final answer
    x = 728,086.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.