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Finding the Fourth Proportional to 272.44, 408.66 and 150.94

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Solution

The fourth proportional to 272.44, 408.66 and 150.94 is: 226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.44 : 408.66 = 150.94 : x
  2. Step 2: Convert to fraction form
    272.44/408.66 = 150.94/x
  3. Step 3: Cross multiply
    272.44x = 408.66 × 150.94
  4. Step 4: Simplify right side
    272.44x = 61,682.12
  5. Step 5: Solve for x
    x = 61,682.12/272.44
  6. Step 6: Final answer
    x = 226.41

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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.