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Finding the Fourth Proportional to 503,876.39, 755,921.19 and 166,897.95

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Solution

The fourth proportional to 503,876.39, 755,921.19 and 166,897.95 is: 250,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,876.39 : 755,921.19 = 166,897.95 : x
  2. Step 2: Convert to fraction form
    503,876.39/755,921.19 = 166,897.95/x
  3. Step 3: Cross multiply
    503,876.39x = 755,921.19 × 166,897.95
  4. Step 4: Simplify right side
    503,876.39x = 126,161,696,972.56
  5. Step 5: Solve for x
    x = 126,161,696,972.56/503,876.39
  6. Step 6: Final answer
    x = 250,382.24

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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.