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Finding the Fourth Proportional to 657,696.96, 986,545.92 and 159,061.44

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Solution

The fourth proportional to 657,696.96, 986,545.92 and 159,061.44 is: 238,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,696.96 : 986,545.92 = 159,061.44 : x
  2. Step 2: Convert to fraction form
    657,696.96/986,545.92 = 159,061.44/x
  3. Step 3: Cross multiply
    657,696.96x = 986,545.92 × 159,061.44
  4. Step 4: Simplify right side
    657,696.96x = 156,921,414,661.33
  5. Step 5: Solve for x
    x = 156,921,414,661.33/657,696.96
  6. Step 6: Final answer
    x = 238,592.28

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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.