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Finding the Fourth Proportional to 392,291.10, 587,648.97 and 332,061.66

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Solution

The fourth proportional to 392,291.10, 587,648.97 and 332,061.66 is: 497,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,291.10 : 587,648.97 = 332,061.66 : x
  2. Step 2: Convert to fraction form
    392,291.10/587,648.97 = 332,061.66/x
  3. Step 3: Cross multiply
    392,291.10x = 587,648.97 × 332,061.66
  4. Step 4: Simplify right side
    392,291.10x = 195,135,692,475.49
  5. Step 5: Solve for x
    x = 195,135,692,475.49/392,291.10
  6. Step 6: Final answer
    x = 497,425.74

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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.