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Finding the Fourth Proportional to 266.14, 400.02 and 233.74

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Solution

The fourth proportional to 266.14, 400.02 and 233.74 is: 351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.14 : 400.02 = 233.74 : x
  2. Step 2: Convert to fraction form
    266.14/400.02 = 233.74/x
  3. Step 3: Cross multiply
    266.14x = 400.02 × 233.74
  4. Step 4: Simplify right side
    266.14x = 93,500.67
  5. Step 5: Solve for x
    x = 93,500.67/266.14
  6. Step 6: Final answer
    x = 351.32

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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.