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Finding the Fourth Proportional to 474.33, 654.43 and 267.29

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Solution

The fourth proportional to 474.33, 654.43 and 267.29 is: 368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.33 : 654.43 = 267.29 : x
  2. Step 2: Convert to fraction form
    474.33/654.43 = 267.29/x
  3. Step 3: Cross multiply
    474.33x = 654.43 × 267.29
  4. Step 4: Simplify right side
    474.33x = 174,921.26
  5. Step 5: Solve for x
    x = 174,921.26/474.33
  6. Step 6: Final answer
    x = 368.78

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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.