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Finding the Fourth Proportional to 394,751.97, 544,726.29 and 222,614.73

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Solution

The fourth proportional to 394,751.97, 544,726.29 and 222,614.73 is: 307,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,751.97 : 544,726.29 = 222,614.73 : x
  2. Step 2: Convert to fraction form
    394,751.97/544,726.29 = 222,614.73/x
  3. Step 3: Cross multiply
    394,751.97x = 544,726.29 × 222,614.73
  4. Step 4: Simplify right side
    394,751.97x = 121,264,095,972.25
  5. Step 5: Solve for x
    x = 121,264,095,972.25/394,751.97
  6. Step 6: Final answer
    x = 307,190.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.