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Finding the Fourth Proportional to 376,517.48, 519,600.48 and 206,767.40

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Solution

The fourth proportional to 376,517.48, 519,600.48 and 206,767.40 is: 285,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,517.48 : 519,600.48 = 206,767.40 : x
  2. Step 2: Convert to fraction form
    376,517.48/519,600.48 = 206,767.40/x
  3. Step 3: Cross multiply
    376,517.48x = 519,600.48 × 206,767.40
  4. Step 4: Simplify right side
    376,517.48x = 107,436,440,288.35
  5. Step 5: Solve for x
    x = 107,436,440,288.35/376,517.48
  6. Step 6: Final answer
    x = 285,342.50

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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.