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Finding the Fourth Proportional to 499,270.60, 748,905.90 and 473,609.80

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Solution

The fourth proportional to 499,270.60, 748,905.90 and 473,609.80 is: 710,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,270.60 : 748,905.90 = 473,609.80 : x
  2. Step 2: Convert to fraction form
    499,270.60/748,905.90 = 473,609.80/x
  3. Step 3: Cross multiply
    499,270.60x = 748,905.90 × 473,609.80
  4. Step 4: Simplify right side
    499,270.60x = 354,689,173,517.82
  5. Step 5: Solve for x
    x = 354,689,173,517.82/499,270.60
  6. Step 6: Final answer
    x = 710,414.70

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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.