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Finding the Fourth Proportional to 251.33, 375.46 and 250.11

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Solution

The fourth proportional to 251.33, 375.46 and 250.11 is: 373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.33 : 375.46 = 250.11 : x
  2. Step 2: Convert to fraction form
    251.33/375.46 = 250.11/x
  3. Step 3: Cross multiply
    251.33x = 375.46 × 250.11
  4. Step 4: Simplify right side
    251.33x = 93,905.68
  5. Step 5: Solve for x
    x = 93,905.68/251.33
  6. Step 6: Final answer
    x = 373.64

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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.