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Finding the Fourth Proportional to 332,693.70, 499,040.55 and 132,915.30

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Solution

The fourth proportional to 332,693.70, 499,040.55 and 132,915.30 is: 199,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,693.70 : 499,040.55 = 132,915.30 : x
  2. Step 2: Convert to fraction form
    332,693.70/499,040.55 = 132,915.30/x
  3. Step 3: Cross multiply
    332,693.70x = 499,040.55 × 132,915.30
  4. Step 4: Simplify right side
    332,693.70x = 66,330,124,415.42
  5. Step 5: Solve for x
    x = 66,330,124,415.42/332,693.70
  6. Step 6: Final answer
    x = 199,372.95

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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.