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Finding the Fourth Proportional to 883.97, 1,324.74 and 711.04

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Solution

The fourth proportional to 883.97, 1,324.74 and 711.04 is: 1,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.97 : 1,324.74 = 711.04 : x
  2. Step 2: Convert to fraction form
    883.97/1,324.74 = 711.04/x
  3. Step 3: Cross multiply
    883.97x = 1,324.74 × 711.04
  4. Step 4: Simplify right side
    883.97x = 941,943.13
  5. Step 5: Solve for x
    x = 941,943.13/883.97
  6. Step 6: Final answer
    x = 1,065.58

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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.