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Finding the Fourth Proportional to 827.16, 1,141.22 and 532.04

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Solution

The fourth proportional to 827.16, 1,141.22 and 532.04 is: 734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827.16 : 1,141.22 = 532.04 : x
  2. Step 2: Convert to fraction form
    827.16/1,141.22 = 532.04/x
  3. Step 3: Cross multiply
    827.16x = 1,141.22 × 532.04
  4. Step 4: Simplify right side
    827.16x = 607,174.69
  5. Step 5: Solve for x
    x = 607,174.69/827.16
  6. Step 6: Final answer
    x = 734.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.