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Finding the Fourth Proportional to 827.24, 1,141.85 and 532.51

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Solution

The fourth proportional to 827.24, 1,141.85 and 532.51 is: 735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    827.24 : 1,141.85 = 532.51 : x
  2. Step 2: Convert to fraction form
    827.24/1,141.85 = 532.51/x
  3. Step 3: Cross multiply
    827.24x = 1,141.85 × 532.51
  4. Step 4: Simplify right side
    827.24x = 608,050.21
  5. Step 5: Solve for x
    x = 608,050.21/827.24
  6. Step 6: Final answer
    x = 735.03

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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.