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Finding the Fourth Proportional to 367,467.80, 551,201.70 and 327,378.20

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Solution

The fourth proportional to 367,467.80, 551,201.70 and 327,378.20 is: 491,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,467.80 : 551,201.70 = 327,378.20 : x
  2. Step 2: Convert to fraction form
    367,467.80/551,201.70 = 327,378.20/x
  3. Step 3: Cross multiply
    367,467.80x = 551,201.70 × 327,378.20
  4. Step 4: Simplify right side
    367,467.80x = 180,451,420,382.94
  5. Step 5: Solve for x
    x = 180,451,420,382.94/367,467.80
  6. Step 6: Final answer
    x = 491,067.30

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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.