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Finding the Fourth Proportional to 453,793.57, 680,694.24 and 129,580.82

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Solution

The fourth proportional to 453,793.57, 680,694.24 and 129,580.82 is: 194,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,793.57 : 680,694.24 = 129,580.82 : x
  2. Step 2: Convert to fraction form
    453,793.57/680,694.24 = 129,580.82/x
  3. Step 3: Cross multiply
    453,793.57x = 680,694.24 × 129,580.82
  4. Step 4: Simplify right side
    453,793.57x = 88,204,921,252.44
  5. Step 5: Solve for x
    x = 88,204,921,252.44/453,793.57
  6. Step 6: Final answer
    x = 194,372.35

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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.