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Finding the Fourth Proportional to 960.24, 1,324.92 and 567.06

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Solution

The fourth proportional to 960.24, 1,324.92 and 567.06 is: 782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.24 : 1,324.92 = 567.06 : x
  2. Step 2: Convert to fraction form
    960.24/1,324.92 = 567.06/x
  3. Step 3: Cross multiply
    960.24x = 1,324.92 × 567.06
  4. Step 4: Simplify right side
    960.24x = 751,309.14
  5. Step 5: Solve for x
    x = 751,309.14/960.24
  6. Step 6: Final answer
    x = 782.42

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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.