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Finding the Fourth Proportional to 960.58, 1,325.53 and 567.53

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Solution

The fourth proportional to 960.58, 1,325.53 and 567.53 is: 783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.58 : 1,325.53 = 567.53 : x
  2. Step 2: Convert to fraction form
    960.58/1,325.53 = 567.53/x
  3. Step 3: Cross multiply
    960.58x = 1,325.53 × 567.53
  4. Step 4: Simplify right side
    960.58x = 752,278.04
  5. Step 5: Solve for x
    x = 752,278.04/960.58
  6. Step 6: Final answer
    x = 783.15

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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.