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Finding the Fourth Proportional to 339,380.88, 468,321.96 and 196,028.56

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Solution

The fourth proportional to 339,380.88, 468,321.96 and 196,028.56 is: 270,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,380.88 : 468,321.96 = 196,028.56 : x
  2. Step 2: Convert to fraction form
    339,380.88/468,321.96 = 196,028.56/x
  3. Step 3: Cross multiply
    339,380.88x = 468,321.96 × 196,028.56
  4. Step 4: Simplify right side
    339,380.88x = 91,804,479,435.18
  5. Step 5: Solve for x
    x = 91,804,479,435.18/339,380.88
  6. Step 6: Final answer
    x = 270,505.75

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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.