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Finding the Fourth Proportional to 960.28, 1,324.56 and 566.98

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Solution

The fourth proportional to 960.28, 1,324.56 and 566.98 is: 782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.28 : 1,324.56 = 566.98 : x
  2. Step 2: Convert to fraction form
    960.28/1,324.56 = 566.98/x
  3. Step 3: Cross multiply
    960.28x = 1,324.56 × 566.98
  4. Step 4: Simplify right side
    960.28x = 750,999.03
  5. Step 5: Solve for x
    x = 750,999.03/960.28
  6. Step 6: Final answer
    x = 782.06

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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.