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Finding the Fourth Proportional to 394,750.86, 544,723.29 and 222,659.34

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Solution

The fourth proportional to 394,750.86, 544,723.29 and 222,659.34 is: 307,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,750.86 : 544,723.29 = 222,659.34 : x
  2. Step 2: Convert to fraction form
    394,750.86/544,723.29 = 222,659.34/x
  3. Step 3: Cross multiply
    394,750.86x = 544,723.29 × 222,659.34
  4. Step 4: Simplify right side
    394,750.86x = 121,287,728,234.03
  5. Step 5: Solve for x
    x = 121,287,728,234.03/394,750.86
  6. Step 6: Final answer
    x = 307,251.33

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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.