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Finding the Fourth Proportional to 1,016.22, 1,522.92 and 528.26

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Solution

The fourth proportional to 1,016.22, 1,522.92 and 528.26 is: 791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.22 : 1,522.92 = 528.26 : x
  2. Step 2: Convert to fraction form
    1,016.22/1,522.92 = 528.26/x
  3. Step 3: Cross multiply
    1,016.22x = 1,522.92 × 528.26
  4. Step 4: Simplify right side
    1,016.22x = 804,497.72
  5. Step 5: Solve for x
    x = 804,497.72/1,016.22
  6. Step 6: Final answer
    x = 791.66

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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.