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Finding the Fourth Proportional to 267.58, 402 and 233.56

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Solution

The fourth proportional to 267.58, 402 and 233.56 is: 350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.58 : 402 = 233.56 : x
  2. Step 2: Convert to fraction form
    267.58/402 = 233.56/x
  3. Step 3: Cross multiply
    267.58x = 402 × 233.56
  4. Step 4: Simplify right side
    267.58x = 93,891.12
  5. Step 5: Solve for x
    x = 93,891.12/267.58
  6. Step 6: Final answer
    x = 350.89

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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.