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Finding the Fourth Proportional to 482,791.60, 724,446.60 and 202,337.20

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Solution

The fourth proportional to 482,791.60, 724,446.60 and 202,337.20 is: 303,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,791.60 : 724,446.60 = 202,337.20 : x
  2. Step 2: Convert to fraction form
    482,791.60/724,446.60 = 202,337.20/x
  3. Step 3: Cross multiply
    482,791.60x = 724,446.60 × 202,337.20
  4. Step 4: Simplify right side
    482,791.60x = 146,582,496,593.52
  5. Step 5: Solve for x
    x = 146,582,496,593.52/482,791.60
  6. Step 6: Final answer
    x = 303,614.43

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Why These Related Problems?

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