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Finding the Fourth Proportional to 882.44, 1,324.12 and 395.82

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Solution

The fourth proportional to 882.44, 1,324.12 and 395.82 is: 593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.44 : 1,324.12 = 395.82 : x
  2. Step 2: Convert to fraction form
    882.44/1,324.12 = 395.82/x
  3. Step 3: Cross multiply
    882.44x = 1,324.12 × 395.82
  4. Step 4: Simplify right side
    882.44x = 524,113.18
  5. Step 5: Solve for x
    x = 524,113.18/882.44
  6. Step 6: Final answer
    x = 593.94

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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.