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Finding the Fourth Proportional to 323,014.60, 445,755.72 and 179,774.68

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Solution

The fourth proportional to 323,014.60, 445,755.72 and 179,774.68 is: 248,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,014.60 : 445,755.72 = 179,774.68 : x
  2. Step 2: Convert to fraction form
    323,014.60/445,755.72 = 179,774.68/x
  3. Step 3: Cross multiply
    323,014.60x = 445,755.72 × 179,774.68
  4. Step 4: Simplify right side
    323,014.60x = 80,135,591,921.17
  5. Step 5: Solve for x
    x = 80,135,591,921.17/323,014.60
  6. Step 6: Final answer
    x = 248,086.59

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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.