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Finding the Fourth Proportional to 251.84, 375.60 and 249.41

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Solution

The fourth proportional to 251.84, 375.60 and 249.41 is: 371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.84 : 375.60 = 249.41 : x
  2. Step 2: Convert to fraction form
    251.84/375.60 = 249.41/x
  3. Step 3: Cross multiply
    251.84x = 375.60 × 249.41
  4. Step 4: Simplify right side
    251.84x = 93,680.27
  5. Step 5: Solve for x
    x = 93,680.27/251.84
  6. Step 6: Final answer
    x = 371.98

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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.