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Finding the Fourth Proportional to 376,655.26, 519,793.26 and 206,892.94

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Solution

The fourth proportional to 376,655.26, 519,793.26 and 206,892.94 is: 285,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,655.26 : 519,793.26 = 206,892.94 : x
  2. Step 2: Convert to fraction form
    376,655.26/519,793.26 = 206,892.94/x
  3. Step 3: Cross multiply
    376,655.26x = 519,793.26 × 206,892.94
  4. Step 4: Simplify right side
    376,655.26x = 107,541,555,753.58
  5. Step 5: Solve for x
    x = 107,541,555,753.58/376,655.26
  6. Step 6: Final answer
    x = 285,517.20

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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.