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Finding the Fourth Proportional to 376,712.76, 519,867.24 and 206,950.52

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Solution

The fourth proportional to 376,712.76, 519,867.24 and 206,950.52 is: 285,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,712.76 : 519,867.24 = 206,950.52 : x
  2. Step 2: Convert to fraction form
    376,712.76/519,867.24 = 206,950.52/x
  3. Step 3: Cross multiply
    376,712.76x = 519,867.24 × 206,950.52
  4. Step 4: Simplify right side
    376,712.76x = 107,586,795,648.97
  5. Step 5: Solve for x
    x = 107,586,795,648.97/376,712.76
  6. Step 6: Final answer
    x = 285,593.71

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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.