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Finding the Fourth Proportional to 339.44, 468.44 and 197.73

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Solution

The fourth proportional to 339.44, 468.44 and 197.73 is: 272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.44 : 468.44 = 197.73 : x
  2. Step 2: Convert to fraction form
    339.44/468.44 = 197.73/x
  3. Step 3: Cross multiply
    339.44x = 468.44 × 197.73
  4. Step 4: Simplify right side
    339.44x = 92,623.65
  5. Step 5: Solve for x
    x = 92,623.65/339.44
  6. Step 6: Final answer
    x = 272.88

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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.