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Finding the Fourth Proportional to 294.12, 443.43 and 267.12

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Solution

The fourth proportional to 294.12, 443.43 and 267.12 is: 402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.12 : 443.43 = 267.12 : x
  2. Step 2: Convert to fraction form
    294.12/443.43 = 267.12/x
  3. Step 3: Cross multiply
    294.12x = 443.43 × 267.12
  4. Step 4: Simplify right side
    294.12x = 118,449.02
  5. Step 5: Solve for x
    x = 118,449.02/294.12
  6. Step 6: Final answer
    x = 402.72

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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.