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Finding the Fourth Proportional to 466,208.12, 699,327 and 129,252.20

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Solution

The fourth proportional to 466,208.12, 699,327 and 129,252.20 is: 193,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,208.12 : 699,327 = 129,252.20 : x
  2. Step 2: Convert to fraction form
    466,208.12/699,327 = 129,252.20/x
  3. Step 3: Cross multiply
    466,208.12x = 699,327 × 129,252.20
  4. Step 4: Simplify right side
    466,208.12x = 90,389,553,269.40
  5. Step 5: Solve for x
    x = 90,389,553,269.40/466,208.12
  6. Step 6: Final answer
    x = 193,882.41

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1.5x scale

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.