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Finding the Fourth Proportional to 267.15, 400.45 and 175.92

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Solution

The fourth proportional to 267.15, 400.45 and 175.92 is: 263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.15 : 400.45 = 175.92 : x
  2. Step 2: Convert to fraction form
    267.15/400.45 = 175.92/x
  3. Step 3: Cross multiply
    267.15x = 400.45 × 175.92
  4. Step 4: Simplify right side
    267.15x = 70,447.16
  5. Step 5: Solve for x
    x = 70,447.16/267.15
  6. Step 6: Final answer
    x = 263.70

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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.