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Finding the Fourth Proportional to 624,255.96, 861,470.46 and 337,781.10

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Solution

The fourth proportional to 624,255.96, 861,470.46 and 337,781.10 is: 466,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,255.96 : 861,470.46 = 337,781.10 : x
  2. Step 2: Convert to fraction form
    624,255.96/861,470.46 = 337,781.10/x
  3. Step 3: Cross multiply
    624,255.96x = 861,470.46 × 337,781.10
  4. Step 4: Simplify right side
    624,255.96x = 290,988,439,596.31
  5. Step 5: Solve for x
    x = 290,988,439,596.31/624,255.96
  6. Step 6: Final answer
    x = 466,136.42

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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.