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Finding the Fourth Proportional to 250.76, 374.08 and 224.64

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Solution

The fourth proportional to 250.76, 374.08 and 224.64 is: 335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.76 : 374.08 = 224.64 : x
  2. Step 2: Convert to fraction form
    250.76/374.08 = 224.64/x
  3. Step 3: Cross multiply
    250.76x = 374.08 × 224.64
  4. Step 4: Simplify right side
    250.76x = 84,033.33
  5. Step 5: Solve for x
    x = 84,033.33/250.76
  6. Step 6: Final answer
    x = 335.11

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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.