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Finding the Fourth Proportional to 624,356.70, 861,614.45 and 337,876.71

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Solution

The fourth proportional to 624,356.70, 861,614.45 and 337,876.71 is: 466,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,356.70 : 861,614.45 = 337,876.71 : x
  2. Step 2: Convert to fraction form
    624,356.70/861,614.45 = 337,876.71/x
  3. Step 3: Cross multiply
    624,356.70x = 861,614.45 × 337,876.71
  4. Step 4: Simplify right side
    624,356.70x = 291,119,455,654.46
  5. Step 5: Solve for x
    x = 291,119,455,654.46/624,356.70
  6. Step 6: Final answer
    x = 466,271.05

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Why These Related Problems?

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