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Finding the Fourth Proportional to 466,308.60, 699,462.90 and 129,348.60

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Solution

The fourth proportional to 466,308.60, 699,462.90 and 129,348.60 is: 194,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,308.60 : 699,462.90 = 129,348.60 : x
  2. Step 2: Convert to fraction form
    466,308.60/699,462.90 = 129,348.60/x
  3. Step 3: Cross multiply
    466,308.60x = 699,462.90 × 129,348.60
  4. Step 4: Simplify right side
    466,308.60x = 90,474,546,866.94
  5. Step 5: Solve for x
    x = 90,474,546,866.94/466,308.60
  6. Step 6: Final answer
    x = 194,022.90

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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.