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Finding the Fourth Proportional to 339,591.32, 468,608.62 and 196,360.64

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Solution

The fourth proportional to 339,591.32, 468,608.62 and 196,360.64 is: 270,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,591.32 : 468,608.62 = 196,360.64 : x
  2. Step 2: Convert to fraction form
    339,591.32/468,608.62 = 196,360.64/x
  3. Step 3: Cross multiply
    339,591.32x = 468,608.62 × 196,360.64
  4. Step 4: Simplify right side
    339,591.32x = 92,016,288,532.72
  5. Step 5: Solve for x
    x = 92,016,288,532.72/339,591.32
  6. Step 6: Final answer
    x = 270,961.84

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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.