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Finding the Fourth Proportional to 332,690.60, 499,108.80 and 132,960.80

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Solution

The fourth proportional to 332,690.60, 499,108.80 and 132,960.80 is: 199,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,690.60 : 499,108.80 = 132,960.80 : x
  2. Step 2: Convert to fraction form
    332,690.60/499,108.80 = 132,960.80/x
  3. Step 3: Cross multiply
    332,690.60x = 499,108.80 × 132,960.80
  4. Step 4: Simplify right side
    332,690.60x = 66,361,905,335.04
  5. Step 5: Solve for x
    x = 66,361,905,335.04/332,690.60
  6. Step 6: Final answer
    x = 199,470.33

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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.