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Finding the Fourth Proportional to 292.42, 440.48 and 267.52

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Solution

The fourth proportional to 292.42, 440.48 and 267.52 is: 402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.42 : 440.48 = 267.52 : x
  2. Step 2: Convert to fraction form
    292.42/440.48 = 267.52/x
  3. Step 3: Cross multiply
    292.42x = 440.48 × 267.52
  4. Step 4: Simplify right side
    292.42x = 117,835.01
  5. Step 5: Solve for x
    x = 117,835.01/292.42
  6. Step 6: Final answer
    x = 402.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.