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Finding the Fourth Proportional to 378,580.55, 567,747.97 and 125,793.16

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Solution

The fourth proportional to 378,580.55, 567,747.97 and 125,793.16 is: 188,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,580.55 : 567,747.97 = 125,793.16 : x
  2. Step 2: Convert to fraction form
    378,580.55/567,747.97 = 125,793.16/x
  3. Step 3: Cross multiply
    378,580.55x = 567,747.97 × 125,793.16
  4. Step 4: Simplify right side
    378,580.55x = 71,418,811,229.89
  5. Step 5: Solve for x
    x = 71,418,811,229.89/378,580.55
  6. Step 6: Final answer
    x = 188,648.92

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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.