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Finding the Fourth Proportional to 274,745.88, 379,153.11 and 179,197.74

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Solution

The fourth proportional to 274,745.88, 379,153.11 and 179,197.74 is: 247,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,745.88 : 379,153.11 = 179,197.74 : x
  2. Step 2: Convert to fraction form
    274,745.88/379,153.11 = 179,197.74/x
  3. Step 3: Cross multiply
    274,745.88x = 379,153.11 × 179,197.74
  4. Step 4: Simplify right side
    274,745.88x = 67,943,380,425.97
  5. Step 5: Solve for x
    x = 67,943,380,425.97/274,745.88
  6. Step 6: Final answer
    x = 247,295.36

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1.5x scale

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.