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Finding the Fourth Proportional to 332,765.60, 499,221.30 and 133,035.80

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Solution

The fourth proportional to 332,765.60, 499,221.30 and 133,035.80 is: 199,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,765.60 : 499,221.30 = 133,035.80 : x
  2. Step 2: Convert to fraction form
    332,765.60/499,221.30 = 133,035.80/x
  3. Step 3: Cross multiply
    332,765.60x = 499,221.30 × 133,035.80
  4. Step 4: Simplify right side
    332,765.60x = 66,414,305,022.54
  5. Step 5: Solve for x
    x = 66,414,305,022.54/332,765.60
  6. Step 6: Final answer
    x = 199,582.84

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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.