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Finding the Fourth Proportional to 274,751.68, 379,273.92 and 179,340.16

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Solution

The fourth proportional to 274,751.68, 379,273.92 and 179,340.16 is: 247,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,751.68 : 379,273.92 = 179,340.16 : x
  2. Step 2: Convert to fraction form
    274,751.68/379,273.92 = 179,340.16/x
  3. Step 3: Cross multiply
    274,751.68x = 379,273.92 × 179,340.16
  4. Step 4: Simplify right side
    274,751.68x = 68,019,045,496.63
  5. Step 5: Solve for x
    x = 68,019,045,496.63/274,751.68
  6. Step 6: Final answer
    x = 247,565.53

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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.