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Finding the Fourth Proportional to 266.13, 398.93 and 150.44

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Solution

The fourth proportional to 266.13, 398.93 and 150.44 is: 225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.13 : 398.93 = 150.44 : x
  2. Step 2: Convert to fraction form
    266.13/398.93 = 150.44/x
  3. Step 3: Cross multiply
    266.13x = 398.93 × 150.44
  4. Step 4: Simplify right side
    266.13x = 60,012.28
  5. Step 5: Solve for x
    x = 60,012.28/266.13
  6. Step 6: Final answer
    x = 225.50

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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.