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Finding the Fourth Proportional to 499,286.60, 748,929.90 and 473,625.80

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Solution

The fourth proportional to 499,286.60, 748,929.90 and 473,625.80 is: 710,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,286.60 : 748,929.90 = 473,625.80 : x
  2. Step 2: Convert to fraction form
    499,286.60/748,929.90 = 473,625.80/x
  3. Step 3: Cross multiply
    499,286.60x = 748,929.90 × 473,625.80
  4. Step 4: Simplify right side
    499,286.60x = 354,712,523,031.42
  5. Step 5: Solve for x
    x = 354,712,523,031.42/499,286.60
  6. Step 6: Final answer
    x = 710,438.70

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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.