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Finding the Fourth Proportional to 394,256.61, 543,902.45 and 241,301.61

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Solution

The fourth proportional to 394,256.61, 543,902.45 and 241,301.61 is: 332,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,256.61 : 543,902.45 = 241,301.61 : x
  2. Step 2: Convert to fraction form
    394,256.61/543,902.45 = 241,301.61/x
  3. Step 3: Cross multiply
    394,256.61x = 543,902.45 × 241,301.61
  4. Step 4: Simplify right side
    394,256.61x = 131,244,535,661.44
  5. Step 5: Solve for x
    x = 131,244,535,661.44/394,256.61
  6. Step 6: Final answer
    x = 332,891.15

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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.