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Finding the Fourth Proportional to 960.33, 1,325.18 and 567.28

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Solution

The fourth proportional to 960.33, 1,325.18 and 567.28 is: 782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.33 : 1,325.18 = 567.28 : x
  2. Step 2: Convert to fraction form
    960.33/1,325.18 = 567.28/x
  3. Step 3: Cross multiply
    960.33x = 1,325.18 × 567.28
  4. Step 4: Simplify right side
    960.33x = 751,746.22
  5. Step 5: Solve for x
    x = 751,746.22/960.33
  6. Step 6: Final answer
    x = 782.80

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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.