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Finding the Fourth Proportional to 882.97, 1,324.73 and 575.44

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Solution

The fourth proportional to 882.97, 1,324.73 and 575.44 is: 863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.97 : 1,324.73 = 575.44 : x
  2. Step 2: Convert to fraction form
    882.97/1,324.73 = 575.44/x
  3. Step 3: Cross multiply
    882.97x = 1,324.73 × 575.44
  4. Step 4: Simplify right side
    882.97x = 762,302.63
  5. Step 5: Solve for x
    x = 762,302.63/882.97
  6. Step 6: Final answer
    x = 863.34

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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.