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Finding the Fourth Proportional to 332,162.60, 497,207.10 and 261,660.20

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Solution

The fourth proportional to 332,162.60, 497,207.10 and 261,660.20 is: 391,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,162.60 : 497,207.10 = 261,660.20 : x
  2. Step 2: Convert to fraction form
    332,162.60/497,207.10 = 261,660.20/x
  3. Step 3: Cross multiply
    332,162.60x = 497,207.10 × 261,660.20
  4. Step 4: Simplify right side
    332,162.60x = 130,099,309,227.42
  5. Step 5: Solve for x
    x = 130,099,309,227.42/332,162.60
  6. Step 6: Final answer
    x = 391,673.56

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