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Finding the Fourth Proportional to 271.72, 374.72 and 183.27

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Solution

The fourth proportional to 271.72, 374.72 and 183.27 is: 252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.72 : 374.72 = 183.27 : x
  2. Step 2: Convert to fraction form
    271.72/374.72 = 183.27/x
  3. Step 3: Cross multiply
    271.72x = 374.72 × 183.27
  4. Step 4: Simplify right side
    271.72x = 68,674.02
  5. Step 5: Solve for x
    x = 68,674.02/271.72
  6. Step 6: Final answer
    x = 252.74

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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.