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Finding the Fourth Proportional to 465,766.40, 698,649.60 and 324,048.80

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Solution

The fourth proportional to 465,766.40, 698,649.60 and 324,048.80 is: 486,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,766.40 : 698,649.60 = 324,048.80 : x
  2. Step 2: Convert to fraction form
    465,766.40/698,649.60 = 324,048.80/x
  3. Step 3: Cross multiply
    465,766.40x = 698,649.60 × 324,048.80
  4. Step 4: Simplify right side
    465,766.40x = 226,396,564,500.48
  5. Step 5: Solve for x
    x = 226,396,564,500.48/465,766.40
  6. Step 6: Final answer
    x = 486,073.20

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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.