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Finding the Fourth Proportional to 499,040.20, 747,248.10 and 365,195.80

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Solution

The fourth proportional to 499,040.20, 747,248.10 and 365,195.80 is: 546,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,040.20 : 747,248.10 = 365,195.80 : x
  2. Step 2: Convert to fraction form
    499,040.20/747,248.10 = 365,195.80/x
  3. Step 3: Cross multiply
    499,040.20x = 747,248.10 × 365,195.80
  4. Step 4: Simplify right side
    499,040.20x = 272,891,867,677.98
  5. Step 5: Solve for x
    x = 272,891,867,677.98/499,040.20
  6. Step 6: Final answer
    x = 546,833.44

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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.