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Finding the Fourth Proportional to 322,787.61, 445,440.35 and 179,544.57

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Solution

The fourth proportional to 322,787.61, 445,440.35 and 179,544.57 is: 247,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,787.61 : 445,440.35 = 179,544.57 : x
  2. Step 2: Convert to fraction form
    322,787.61/445,440.35 = 179,544.57/x
  3. Step 3: Cross multiply
    322,787.61x = 445,440.35 × 179,544.57
  4. Step 4: Simplify right side
    322,787.61x = 79,976,395,203.68
  5. Step 5: Solve for x
    x = 79,976,395,203.68/322,787.61
  6. Step 6: Final answer
    x = 247,767.86

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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.