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Finding the Fourth Proportional to 329,640.40, 494,460.60 and 179,822.80

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Solution

The fourth proportional to 329,640.40, 494,460.60 and 179,822.80 is: 269,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,640.40 : 494,460.60 = 179,822.80 : x
  2. Step 2: Convert to fraction form
    329,640.40/494,460.60 = 179,822.80/x
  3. Step 3: Cross multiply
    329,640.40x = 494,460.60 × 179,822.80
  4. Step 4: Simplify right side
    329,640.40x = 88,915,289,581.68
  5. Step 5: Solve for x
    x = 88,915,289,581.68/329,640.40
  6. Step 6: Final answer
    x = 269,734.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.