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Finding the Fourth Proportional to 271.44, 374.52 and 193.68

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Solution

The fourth proportional to 271.44, 374.52 and 193.68 is: 267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.44 : 374.52 = 193.68 : x
  2. Step 2: Convert to fraction form
    271.44/374.52 = 193.68/x
  3. Step 3: Cross multiply
    271.44x = 374.52 × 193.68
  4. Step 4: Simplify right side
    271.44x = 72,537.03
  5. Step 5: Solve for x
    x = 72,537.03/271.44
  6. Step 6: Final answer
    x = 267.23

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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.