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Finding the Fourth Proportional to 544,203.54, 816,306.90 and 165,127.38

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Solution

The fourth proportional to 544,203.54, 816,306.90 and 165,127.38 is: 247,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,203.54 : 816,306.90 = 165,127.38 : x
  2. Step 2: Convert to fraction form
    544,203.54/816,306.90 = 165,127.38/x
  3. Step 3: Cross multiply
    544,203.54x = 816,306.90 × 165,127.38
  4. Step 4: Simplify right side
    544,203.54x = 134,794,619,672.92
  5. Step 5: Solve for x
    x = 134,794,619,672.92/544,203.54
  6. Step 6: Final answer
    x = 247,691.55

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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.