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Finding the Fourth Proportional to 322,578.44, 445,137.48 and 179,334.80

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Solution

The fourth proportional to 322,578.44, 445,137.48 and 179,334.80 is: 247,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,578.44 : 445,137.48 = 179,334.80 : x
  2. Step 2: Convert to fraction form
    322,578.44/445,137.48 = 179,334.80/x
  3. Step 3: Cross multiply
    322,578.44x = 445,137.48 × 179,334.80
  4. Step 4: Simplify right side
    322,578.44x = 79,828,640,948.30
  5. Step 5: Solve for x
    x = 79,828,640,948.30/322,578.44
  6. Step 6: Final answer
    x = 247,470.48

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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.