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Finding the Fourth Proportional to 463.74, 639.75 and 267.14

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Solution

The fourth proportional to 463.74, 639.75 and 267.14 is: 368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.74 : 639.75 = 267.14 : x
  2. Step 2: Convert to fraction form
    463.74/639.75 = 267.14/x
  3. Step 3: Cross multiply
    463.74x = 639.75 × 267.14
  4. Step 4: Simplify right side
    463.74x = 170,902.82
  5. Step 5: Solve for x
    x = 170,902.82/463.74
  6. Step 6: Final answer
    x = 368.53

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