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Finding the Fourth Proportional to 624,313.69, 861,555.17 and 337,833.78

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Solution

The fourth proportional to 624,313.69, 861,555.17 and 337,833.78 is: 466,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,313.69 : 861,555.17 = 337,833.78 : x
  2. Step 2: Convert to fraction form
    624,313.69/861,555.17 = 337,833.78/x
  3. Step 3: Cross multiply
    624,313.69x = 861,555.17 × 337,833.78
  4. Step 4: Simplify right side
    624,313.69x = 291,062,439,759.64
  5. Step 5: Solve for x
    x = 291,062,439,759.64/624,313.69
  6. Step 6: Final answer
    x = 466,211.85

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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.