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Finding the Fourth Proportional to 503,488.17, 755,052.37 and 166,466.61

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Solution

The fourth proportional to 503,488.17, 755,052.37 and 166,466.61 is: 249,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,488.17 : 755,052.37 = 166,466.61 : x
  2. Step 2: Convert to fraction form
    503,488.17/755,052.37 = 166,466.61/x
  3. Step 3: Cross multiply
    503,488.17x = 755,052.37 × 166,466.61
  4. Step 4: Simplify right side
    503,488.17x = 125,691,007,990.20
  5. Step 5: Solve for x
    x = 125,691,007,990.20/503,488.17
  6. Step 6: Final answer
    x = 249,640.44

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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.