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Finding the Fourth Proportional to 458,146.73, 687,055.44 and 158,545.97

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Solution

The fourth proportional to 458,146.73, 687,055.44 and 158,545.97 is: 237,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,146.73 : 687,055.44 = 158,545.97 : x
  2. Step 2: Convert to fraction form
    458,146.73/687,055.44 = 158,545.97/x
  3. Step 3: Cross multiply
    458,146.73x = 687,055.44 × 158,545.97
  4. Step 4: Simplify right side
    458,146.73x = 108,929,871,178.58
  5. Step 5: Solve for x
    x = 108,929,871,178.58/458,146.73
  6. Step 6: Final answer
    x = 237,761.97

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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.