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Finding the Fourth Proportional to 624,115.32, 861,277.24 and 337,635.34

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Solution

The fourth proportional to 624,115.32, 861,277.24 and 337,635.34 is: 465,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,115.32 : 861,277.24 = 337,635.34 : x
  2. Step 2: Convert to fraction form
    624,115.32/861,277.24 = 337,635.34/x
  3. Step 3: Cross multiply
    624,115.32x = 861,277.24 × 337,635.34
  4. Step 4: Simplify right side
    624,115.32x = 290,797,633,761.66
  5. Step 5: Solve for x
    x = 290,797,633,761.66/624,115.32
  6. Step 6: Final answer
    x = 465,935.74

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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.