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Finding the Fourth Proportional to 466,375.21, 699,562.85 and 129,415.95

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Solution

The fourth proportional to 466,375.21, 699,562.85 and 129,415.95 is: 194,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,375.21 : 699,562.85 = 129,415.95 : x
  2. Step 2: Convert to fraction form
    466,375.21/699,562.85 = 129,415.95/x
  3. Step 3: Cross multiply
    466,375.21x = 699,562.85 × 129,415.95
  4. Step 4: Simplify right side
    466,375.21x = 90,534,590,170.38
  5. Step 5: Solve for x
    x = 90,534,590,170.38/466,375.21
  6. Step 6: Final answer
    x = 194,123.93

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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.