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Finding the Fourth Proportional to 394,240.68, 544,072.26 and 241,230.86

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Solution

The fourth proportional to 394,240.68, 544,072.26 and 241,230.86 is: 332,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,240.68 : 544,072.26 = 241,230.86 : x
  2. Step 2: Convert to fraction form
    394,240.68/544,072.26 = 241,230.86/x
  3. Step 3: Cross multiply
    394,240.68x = 544,072.26 × 241,230.86
  4. Step 4: Simplify right side
    394,240.68x = 131,247,019,181.94
  5. Step 5: Solve for x
    x = 131,247,019,181.94/394,240.68
  6. Step 6: Final answer
    x = 332,910.90

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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.