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Finding the Fourth Proportional to 294.16, 440.22 and 267.91

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Solution

The fourth proportional to 294.16, 440.22 and 267.91 is: 400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.16 : 440.22 = 267.91 : x
  2. Step 2: Convert to fraction form
    294.16/440.22 = 267.91/x
  3. Step 3: Cross multiply
    294.16x = 440.22 × 267.91
  4. Step 4: Simplify right side
    294.16x = 117,939.34
  5. Step 5: Solve for x
    x = 117,939.34/294.16
  6. Step 6: Final answer
    x = 400.94

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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.