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Finding the Fourth Proportional to 675.26, 1,012.04 and 264.14

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Solution

The fourth proportional to 675.26, 1,012.04 and 264.14 is: 395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.26 : 1,012.04 = 264.14 : x
  2. Step 2: Convert to fraction form
    675.26/1,012.04 = 264.14/x
  3. Step 3: Cross multiply
    675.26x = 1,012.04 × 264.14
  4. Step 4: Simplify right side
    675.26x = 267,318.92
  5. Step 5: Solve for x
    x = 267,318.92/675.26
  6. Step 6: Final answer
    x = 395.88

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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.