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Finding the Fourth Proportional to 244.11, 336.56 and 197.31

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Solution

The fourth proportional to 244.11, 336.56 and 197.31 is: 272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.11 : 336.56 = 197.31 : x
  2. Step 2: Convert to fraction form
    244.11/336.56 = 197.31/x
  3. Step 3: Cross multiply
    244.11x = 336.56 × 197.31
  4. Step 4: Simplify right side
    244.11x = 66,406.65
  5. Step 5: Solve for x
    x = 66,406.65/244.11
  6. Step 6: Final answer
    x = 272.04

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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.