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Finding the Fourth Proportional to 473.17, 708.48 and 267.43

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Solution

The fourth proportional to 473.17, 708.48 and 267.43 is: 400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.17 : 708.48 = 267.43 : x
  2. Step 2: Convert to fraction form
    473.17/708.48 = 267.43/x
  3. Step 3: Cross multiply
    473.17x = 708.48 × 267.43
  4. Step 4: Simplify right side
    473.17x = 189,467.04
  5. Step 5: Solve for x
    x = 189,467.04/473.17
  6. Step 6: Final answer
    x = 400.42

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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.