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Finding the Fourth Proportional to 251.76, 375.76 and 241.44

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Solution

The fourth proportional to 251.76, 375.76 and 241.44 is: 360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.76 : 375.76 = 241.44 : x
  2. Step 2: Convert to fraction form
    251.76/375.76 = 241.44/x
  3. Step 3: Cross multiply
    251.76x = 375.76 × 241.44
  4. Step 4: Simplify right side
    251.76x = 90,723.49
  5. Step 5: Solve for x
    x = 90,723.49/251.76
  6. Step 6: Final answer
    x = 360.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.