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Finding the Fourth Proportional to 394,894.24, 544,966.56 and 216,046.24

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Solution

The fourth proportional to 394,894.24, 544,966.56 and 216,046.24 is: 298,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,894.24 : 544,966.56 = 216,046.24 : x
  2. Step 2: Convert to fraction form
    394,894.24/544,966.56 = 216,046.24/x
  3. Step 3: Cross multiply
    394,894.24x = 544,966.56 × 216,046.24
  4. Step 4: Simplify right side
    394,894.24x = 117,737,976,213.73
  5. Step 5: Solve for x
    x = 117,737,976,213.73/394,894.24
  6. Step 6: Final answer
    x = 298,150.65

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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.