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Finding the Fourth Proportional to 394,849.44, 544,892.33 and 222,803.87

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Solution

The fourth proportional to 394,849.44, 544,892.33 and 222,803.87 is: 307,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,849.44 : 544,892.33 = 222,803.87 : x
  2. Step 2: Convert to fraction form
    394,849.44/544,892.33 = 222,803.87/x
  3. Step 3: Cross multiply
    394,849.44x = 544,892.33 × 222,803.87
  4. Step 4: Simplify right side
    394,849.44x = 121,404,120,903.02
  5. Step 5: Solve for x
    x = 121,404,120,903.02/394,849.44
  6. Step 6: Final answer
    x = 307,469.40

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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.