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Finding the Fourth Proportional to 624,355.46, 861,612.71 and 337,875.47

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Solution

The fourth proportional to 624,355.46, 861,612.71 and 337,875.47 is: 466,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,355.46 : 861,612.71 = 337,875.47 : x
  2. Step 2: Convert to fraction form
    624,355.46/861,612.71 = 337,875.47/x
  3. Step 3: Cross multiply
    624,355.46x = 861,612.71 × 337,875.47
  4. Step 4: Simplify right side
    624,355.46x = 291,117,797,659.85
  5. Step 5: Solve for x
    x = 291,117,797,659.85/624,355.46
  6. Step 6: Final answer
    x = 466,269.32

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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.