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Finding the Fourth Proportional to 465,764.40, 698,646.60 and 324,046.80

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Solution

The fourth proportional to 465,764.40, 698,646.60 and 324,046.80 is: 486,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,764.40 : 698,646.60 = 324,046.80 : x
  2. Step 2: Convert to fraction form
    465,764.40/698,646.60 = 324,046.80/x
  3. Step 3: Cross multiply
    465,764.40x = 698,646.60 × 324,046.80
  4. Step 4: Simplify right side
    465,764.40x = 226,394,195,060.88
  5. Step 5: Solve for x
    x = 226,394,195,060.88/465,764.40
  6. Step 6: Final answer
    x = 486,070.20

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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.