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Finding the Fourth Proportional to 394,751.86, 544,724.67 and 222,660.34

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Solution

The fourth proportional to 394,751.86, 544,724.67 and 222,660.34 is: 307,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,751.86 : 544,724.67 = 222,660.34 : x
  2. Step 2: Convert to fraction form
    394,751.86/544,724.67 = 222,660.34/x
  3. Step 3: Cross multiply
    394,751.86x = 544,724.67 × 222,660.34
  4. Step 4: Simplify right side
    394,751.86x = 121,288,580,228.59
  5. Step 5: Solve for x
    x = 121,288,580,228.59/394,751.86
  6. Step 6: Final answer
    x = 307,252.71

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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.