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Finding the Fourth Proportional to 266.58, 400.50 and 232.56

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Solution

The fourth proportional to 266.58, 400.50 and 232.56 is: 349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.58 : 400.50 = 232.56 : x
  2. Step 2: Convert to fraction form
    266.58/400.50 = 232.56/x
  3. Step 3: Cross multiply
    266.58x = 400.50 × 232.56
  4. Step 4: Simplify right side
    266.58x = 93,140.28
  5. Step 5: Solve for x
    x = 93,140.28/266.58
  6. Step 6: Final answer
    x = 349.39

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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.