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Finding the Fourth Proportional to 353,171.43, 487,363.14 and 192,026.62

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Solution

The fourth proportional to 353,171.43, 487,363.14 and 192,026.62 is: 264,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,171.43 : 487,363.14 = 192,026.62 : x
  2. Step 2: Convert to fraction form
    353,171.43/487,363.14 = 192,026.62/x
  3. Step 3: Cross multiply
    353,171.43x = 487,363.14 × 192,026.62
  4. Step 4: Simplify right side
    353,171.43x = 93,586,694,624.61
  5. Step 5: Solve for x
    x = 93,586,694,624.61/353,171.43
  6. Step 6: Final answer
    x = 264,989.42

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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.