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Finding the Fourth Proportional to 605,696.97, 908,545.61 and 179,199.78

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Solution

The fourth proportional to 605,696.97, 908,545.61 and 179,199.78 is: 268,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,696.97 : 908,545.61 = 179,199.78 : x
  2. Step 2: Convert to fraction form
    605,696.97/908,545.61 = 179,199.78/x
  3. Step 3: Cross multiply
    605,696.97x = 908,545.61 × 179,199.78
  4. Step 4: Simplify right side
    605,696.97x = 162,811,170,472.92
  5. Step 5: Solve for x
    x = 162,811,170,472.92/605,696.97
  6. Step 6: Final answer
    x = 268,799.71

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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.