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Finding the Fourth Proportional to 534,135,937.60, 801,203,906.40 and 396,386,430.40

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Solution

The fourth proportional to 534,135,937.60, 801,203,906.40 and 396,386,430.40 is: 594,579,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,135,937.60 : 801,203,906.40 = 396,386,430.40 : x
  2. Step 2: Convert to fraction form
    534,135,937.60/801,203,906.40 = 396,386,430.40/x
  3. Step 3: Cross multiply
    534,135,937.60x = 801,203,906.40 × 396,386,430.40
  4. Step 4: Simplify right side
    534,135,937.60x = 317,586,356,480,431,680
  5. Step 5: Solve for x
    x = 317,586,356,480,431,680/534,135,937.60
  6. Step 6: Final answer
    x = 594,579,645.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.