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Finding the Fourth Proportional to 339,449.56, 468,455.22 and 188,546.56

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Solution

The fourth proportional to 339,449.56, 468,455.22 and 188,546.56 is: 260,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,449.56 : 468,455.22 = 188,546.56 : x
  2. Step 2: Convert to fraction form
    339,449.56/468,455.22 = 188,546.56/x
  3. Step 3: Cross multiply
    339,449.56x = 468,455.22 × 188,546.56
  4. Step 4: Simplify right side
    339,449.56x = 88,325,620,245.04
  5. Step 5: Solve for x
    x = 88,325,620,245.04/339,449.56
  6. Step 6: Final answer
    x = 260,202.49

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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.