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Finding the Fourth Proportional to 1,016.10, 1,523.10 and 495.33

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Solution

The fourth proportional to 1,016.10, 1,523.10 and 495.33 is: 742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.10 : 1,523.10 = 495.33 : x
  2. Step 2: Convert to fraction form
    1,016.10/1,523.10 = 495.33/x
  3. Step 3: Cross multiply
    1,016.10x = 1,523.10 × 495.33
  4. Step 4: Simplify right side
    1,016.10x = 754,437.12
  5. Step 5: Solve for x
    x = 754,437.12/1,016.10
  6. Step 6: Final answer
    x = 742.48

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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.