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Finding the Fourth Proportional to 375.57, 562.98 and 267.42

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Solution

The fourth proportional to 375.57, 562.98 and 267.42 is: 400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.57 : 562.98 = 267.42 : x
  2. Step 2: Convert to fraction form
    375.57/562.98 = 267.42/x
  3. Step 3: Cross multiply
    375.57x = 562.98 × 267.42
  4. Step 4: Simplify right side
    375.57x = 150,552.11
  5. Step 5: Solve for x
    x = 150,552.11/375.57
  6. Step 6: Final answer
    x = 400.86

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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.