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Finding the Fourth Proportional to 884.97, 1,324.17 and 625.59

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Solution

The fourth proportional to 884.97, 1,324.17 and 625.59 is: 936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.97 : 1,324.17 = 625.59 : x
  2. Step 2: Convert to fraction form
    884.97/1,324.17 = 625.59/x
  3. Step 3: Cross multiply
    884.97x = 1,324.17 × 625.59
  4. Step 4: Simplify right side
    884.97x = 828,389.27
  5. Step 5: Solve for x
    x = 828,389.27/884.97
  6. Step 6: Final answer
    x = 936.07

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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.