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Finding the Fourth Proportional to 466,367.68, 699,473.27 and 129,442.56

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Solution

The fourth proportional to 466,367.68, 699,473.27 and 129,442.56 is: 194,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,367.68 : 699,473.27 = 129,442.56 : x
  2. Step 2: Convert to fraction form
    466,367.68/699,473.27 = 129,442.56/x
  3. Step 3: Cross multiply
    466,367.68x = 699,473.27 × 129,442.56
  4. Step 4: Simplify right side
    466,367.68x = 90,541,611,627.38
  5. Step 5: Solve for x
    x = 90,541,611,627.38/466,367.68
  6. Step 6: Final answer
    x = 194,142.12

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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.