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Finding the Fourth Proportional to 498,234.30, 747,351.45 and 182,650.20

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Solution

The fourth proportional to 498,234.30, 747,351.45 and 182,650.20 is: 273,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,234.30 : 747,351.45 = 182,650.20 : x
  2. Step 2: Convert to fraction form
    498,234.30/747,351.45 = 182,650.20/x
  3. Step 3: Cross multiply
    498,234.30x = 747,351.45 × 182,650.20
  4. Step 4: Simplify right side
    498,234.30x = 136,503,891,812.79
  5. Step 5: Solve for x
    x = 136,503,891,812.79/498,234.30
  6. Step 6: Final answer
    x = 273,975.30

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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.