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Finding the Fourth Proportional to 411,910.31, 568,387.62 and 237,478.56

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Solution

The fourth proportional to 411,910.31, 568,387.62 and 237,478.56 is: 327,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,910.31 : 568,387.62 = 237,478.56 : x
  2. Step 2: Convert to fraction form
    411,910.31/568,387.62 = 237,478.56/x
  3. Step 3: Cross multiply
    411,910.31x = 568,387.62 × 237,478.56
  4. Step 4: Simplify right side
    411,910.31x = 134,979,873,519.43
  5. Step 5: Solve for x
    x = 134,979,873,519.43/411,910.31
  6. Step 6: Final answer
    x = 327,692.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.