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Finding the Fourth Proportional to 664,026.30, 995,909.85 and 220,794.30

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Solution

The fourth proportional to 664,026.30, 995,909.85 and 220,794.30 is: 331,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,026.30 : 995,909.85 = 220,794.30 : x
  2. Step 2: Convert to fraction form
    664,026.30/995,909.85 = 220,794.30/x
  3. Step 3: Cross multiply
    664,026.30x = 995,909.85 × 220,794.30
  4. Step 4: Simplify right side
    664,026.30x = 219,891,218,193.86
  5. Step 5: Solve for x
    x = 219,891,218,193.86/664,026.30
  6. Step 6: Final answer
    x = 331,148.36

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Similar ratio
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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.