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Finding the Fourth Proportional to 267.63, 401.57 and 176.37

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Solution

The fourth proportional to 267.63, 401.57 and 176.37 is: 264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.63 : 401.57 = 176.37 : x
  2. Step 2: Convert to fraction form
    267.63/401.57 = 176.37/x
  3. Step 3: Cross multiply
    267.63x = 401.57 × 176.37
  4. Step 4: Simplify right side
    267.63x = 70,824.90
  5. Step 5: Solve for x
    x = 70,824.90/267.63
  6. Step 6: Final answer
    x = 264.64

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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.