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Finding the Fourth Proportional to 466,368.50, 699,474.50 and 129,443.39

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Solution

The fourth proportional to 466,368.50, 699,474.50 and 129,443.39 is: 194,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,368.50 : 699,474.50 = 129,443.39 : x
  2. Step 2: Convert to fraction form
    466,368.50/699,474.50 = 129,443.39/x
  3. Step 3: Cross multiply
    466,368.50x = 699,474.50 × 129,443.39
  4. Step 4: Simplify right side
    466,368.50x = 90,542,346,353.97
  5. Step 5: Solve for x
    x = 90,542,346,353.97/466,368.50
  6. Step 6: Final answer
    x = 194,143.36

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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.