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Finding the Fourth Proportional to 466,439.38, 699,709.02 and 129,481.44

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Solution

The fourth proportional to 466,439.38, 699,709.02 and 129,481.44 is: 194,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,439.38 : 699,709.02 = 129,481.44 : x
  2. Step 2: Convert to fraction form
    466,439.38/699,709.02 = 129,481.44/x
  3. Step 3: Cross multiply
    466,439.38x = 699,709.02 × 129,481.44
  4. Step 4: Simplify right side
    466,439.38x = 90,599,331,490.59
  5. Step 5: Solve for x
    x = 90,599,331,490.59/466,439.38
  6. Step 6: Final answer
    x = 194,236.03

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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.