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Finding the Fourth Proportional to 292.37, 402.23 and 271.88

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Solution

The fourth proportional to 292.37, 402.23 and 271.88 is: 374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.37 : 402.23 = 271.88 : x
  2. Step 2: Convert to fraction form
    292.37/402.23 = 271.88/x
  3. Step 3: Cross multiply
    292.37x = 402.23 × 271.88
  4. Step 4: Simplify right side
    292.37x = 109,358.29
  5. Step 5: Solve for x
    x = 109,358.29/292.37
  6. Step 6: Final answer
    x = 374.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.