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Finding the Fourth Proportional to 552.26, 827.04 and 263

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Solution

The fourth proportional to 552.26, 827.04 and 263 is: 393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.26 : 827.04 = 263 : x
  2. Step 2: Convert to fraction form
    552.26/827.04 = 263/x
  3. Step 3: Cross multiply
    552.26x = 827.04 × 263
  4. Step 4: Simplify right side
    552.26x = 217,511.52
  5. Step 5: Solve for x
    x = 217,511.52/552.26
  6. Step 6: Final answer
    x = 393.86

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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.