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Finding the Fourth Proportional to 266.28, 398.73 and 184.27

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Solution

The fourth proportional to 266.28, 398.73 and 184.27 is: 275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.28 : 398.73 = 184.27 : x
  2. Step 2: Convert to fraction form
    266.28/398.73 = 184.27/x
  3. Step 3: Cross multiply
    266.28x = 398.73 × 184.27
  4. Step 4: Simplify right side
    266.28x = 73,473.98
  5. Step 5: Solve for x
    x = 73,473.98/266.28
  6. Step 6: Final answer
    x = 275.93

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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.