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Finding the Fourth Proportional to 332,624.66, 499,310.90 and 133,085.82

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Solution

The fourth proportional to 332,624.66, 499,310.90 and 133,085.82 is: 199,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,624.66 : 499,310.90 = 133,085.82 : x
  2. Step 2: Convert to fraction form
    332,624.66/499,310.90 = 133,085.82/x
  3. Step 3: Cross multiply
    332,624.66x = 499,310.90 × 133,085.82
  4. Step 4: Simplify right side
    332,624.66x = 66,451,200,561.44
  5. Step 5: Solve for x
    x = 66,451,200,561.44/332,624.66
  6. Step 6: Final answer
    x = 199,778.33

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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.