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Finding the Fourth Proportional to 329,930.85, 455,302.97 and 179,027.85

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Solution

The fourth proportional to 329,930.85, 455,302.97 and 179,027.85 is: 247,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,930.85 : 455,302.97 = 179,027.85 : x
  2. Step 2: Convert to fraction form
    329,930.85/455,302.97 = 179,027.85/x
  3. Step 3: Cross multiply
    329,930.85x = 455,302.97 × 179,027.85
  4. Step 4: Simplify right side
    329,930.85x = 81,511,914,308.35
  5. Step 5: Solve for x
    x = 81,511,914,308.35/329,930.85
  6. Step 6: Final answer
    x = 247,057.57

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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.