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Finding the Fourth Proportional to 1,016.48, 1,523.44 and 528.32

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Solution

The fourth proportional to 1,016.48, 1,523.44 and 528.32 is: 791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.48 : 1,523.44 = 528.32 : x
  2. Step 2: Convert to fraction form
    1,016.48/1,523.44 = 528.32/x
  3. Step 3: Cross multiply
    1,016.48x = 1,523.44 × 528.32
  4. Step 4: Simplify right side
    1,016.48x = 804,863.82
  5. Step 5: Solve for x
    x = 804,863.82/1,016.48
  6. Step 6: Final answer
    x = 791.81

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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.