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Finding the Fourth Proportional to 624,166.38, 861,349.61 and 337,686.47

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Solution

The fourth proportional to 624,166.38, 861,349.61 and 337,686.47 is: 466,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,166.38 : 861,349.61 = 337,686.47 : x
  2. Step 2: Convert to fraction form
    624,166.38/861,349.61 = 337,686.47/x
  3. Step 3: Cross multiply
    624,166.38x = 861,349.61 × 337,686.47
  4. Step 4: Simplify right side
    624,166.38x = 290,866,107,579.69
  5. Step 5: Solve for x
    x = 290,866,107,579.69/624,166.38
  6. Step 6: Final answer
    x = 466,007.33

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1.5x scale

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.