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Finding the Fourth Proportional to 376,260.96, 519,222.78 and 206,497.92

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Solution

The fourth proportional to 376,260.96, 519,222.78 and 206,497.92 is: 284,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,260.96 : 519,222.78 = 206,497.92 : x
  2. Step 2: Convert to fraction form
    376,260.96/519,222.78 = 206,497.92/x
  3. Step 3: Cross multiply
    376,260.96x = 519,222.78 × 206,497.92
  4. Step 4: Simplify right side
    376,260.96x = 107,218,424,086.62
  5. Step 5: Solve for x
    x = 107,218,424,086.62/376,260.96
  6. Step 6: Final answer
    x = 284,957.61

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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.