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Finding the Fourth Proportional to 332,708.20, 499,062.30 and 133,059.40

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Solution

The fourth proportional to 332,708.20, 499,062.30 and 133,059.40 is: 199,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,708.20 : 499,062.30 = 133,059.40 : x
  2. Step 2: Convert to fraction form
    332,708.20/499,062.30 = 133,059.40/x
  3. Step 3: Cross multiply
    332,708.20x = 499,062.30 × 133,059.40
  4. Step 4: Simplify right side
    332,708.20x = 66,404,930,200.62
  5. Step 5: Solve for x
    x = 66,404,930,200.62/332,708.20
  6. Step 6: Final answer
    x = 199,589.10

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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.