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Finding the Fourth Proportional to 253,988.92, 381,046.73 and 179,255.05

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Solution

The fourth proportional to 253,988.92, 381,046.73 and 179,255.05 is: 268,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,988.92 : 381,046.73 = 179,255.05 : x
  2. Step 2: Convert to fraction form
    253,988.92/381,046.73 = 179,255.05/x
  3. Step 3: Cross multiply
    253,988.92x = 381,046.73 × 179,255.05
  4. Step 4: Simplify right side
    253,988.92x = 68,304,550,638.49
  5. Step 5: Solve for x
    x = 68,304,550,638.49/253,988.92
  6. Step 6: Final answer
    x = 268,927.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.