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Finding the Fourth Proportional to 308.54, 464.24 and 250.94

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Solution

The fourth proportional to 308.54, 464.24 and 250.94 is: 377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.54 : 464.24 = 250.94 : x
  2. Step 2: Convert to fraction form
    308.54/464.24 = 250.94/x
  3. Step 3: Cross multiply
    308.54x = 464.24 × 250.94
  4. Step 4: Simplify right side
    308.54x = 116,494.69
  5. Step 5: Solve for x
    x = 116,494.69/308.54
  6. Step 6: Final answer
    x = 377.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.