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Finding the Fourth Proportional to 244.26, 336.84 and 197.60

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Solution

The fourth proportional to 244.26, 336.84 and 197.60 is: 272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.26 : 336.84 = 197.60 : x
  2. Step 2: Convert to fraction form
    244.26/336.84 = 197.60/x
  3. Step 3: Cross multiply
    244.26x = 336.84 × 197.60
  4. Step 4: Simplify right side
    244.26x = 66,560.17
  5. Step 5: Solve for x
    x = 66,560.17/244.26
  6. Step 6: Final answer
    x = 272.50

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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.