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Finding the Fourth Proportional to 462,761.92, 694,142.88 and 130,294.72

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Solution

The fourth proportional to 462,761.92, 694,142.88 and 130,294.72 is: 195,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,761.92 : 694,142.88 = 130,294.72 : x
  2. Step 2: Convert to fraction form
    462,761.92/694,142.88 = 130,294.72/x
  3. Step 3: Cross multiply
    462,761.92x = 694,142.88 × 130,294.72
  4. Step 4: Simplify right side
    462,761.92x = 90,443,152,189.59
  5. Step 5: Solve for x
    x = 90,443,152,189.59/462,761.92
  6. Step 6: Final answer
    x = 195,442.08

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.