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Finding the Fourth Proportional to 266.13, 399.33 and 150.63

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Solution

The fourth proportional to 266.13, 399.33 and 150.63 is: 226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.13 : 399.33 = 150.63 : x
  2. Step 2: Convert to fraction form
    266.13/399.33 = 150.63/x
  3. Step 3: Cross multiply
    266.13x = 399.33 × 150.63
  4. Step 4: Simplify right side
    266.13x = 60,151.08
  5. Step 5: Solve for x
    x = 60,151.08/266.13
  6. Step 6: Final answer
    x = 226.02

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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.