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Finding the Fourth Proportional to 332,407.56, 498,612.15 and 132,744.18

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Solution

The fourth proportional to 332,407.56, 498,612.15 and 132,744.18 is: 199,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,407.56 : 498,612.15 = 132,744.18 : x
  2. Step 2: Convert to fraction form
    332,407.56/498,612.15 = 132,744.18/x
  3. Step 3: Cross multiply
    332,407.56x = 498,612.15 × 132,744.18
  4. Step 4: Simplify right side
    332,407.56x = 66,187,860,989.79
  5. Step 5: Solve for x
    x = 66,187,860,989.79/332,407.56
  6. Step 6: Final answer
    x = 199,116.59

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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.