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Finding the Fourth Proportional to 466,372.62, 699,480.68 and 129,447.51

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Solution

The fourth proportional to 466,372.62, 699,480.68 and 129,447.51 is: 194,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,372.62 : 699,480.68 = 129,447.51 : x
  2. Step 2: Convert to fraction form
    466,372.62/699,480.68 = 129,447.51/x
  3. Step 3: Cross multiply
    466,372.62x = 699,480.68 × 129,447.51
  4. Step 4: Simplify right side
    466,372.62x = 90,546,032,319.11
  5. Step 5: Solve for x
    x = 90,546,032,319.11/466,372.62
  6. Step 6: Final answer
    x = 194,149.55

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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.