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Finding the Fourth Proportional to 495.16, 743.06 and 267.32

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Solution

The fourth proportional to 495.16, 743.06 and 267.32 is: 401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.16 : 743.06 = 267.32 : x
  2. Step 2: Convert to fraction form
    495.16/743.06 = 267.32/x
  3. Step 3: Cross multiply
    495.16x = 743.06 × 267.32
  4. Step 4: Simplify right side
    495.16x = 198,634.80
  5. Step 5: Solve for x
    x = 198,634.80/495.16
  6. Step 6: Final answer
    x = 401.15

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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.