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Finding the Fourth Proportional to 960.95, 1,324.93 and 567.83

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Solution

The fourth proportional to 960.95, 1,324.93 and 567.83 is: 782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.95 : 1,324.93 = 567.83 : x
  2. Step 2: Convert to fraction form
    960.95/1,324.93 = 567.83/x
  3. Step 3: Cross multiply
    960.95x = 1,324.93 × 567.83
  4. Step 4: Simplify right side
    960.95x = 752,335.00
  5. Step 5: Solve for x
    x = 752,335.00/960.95
  6. Step 6: Final answer
    x = 782.91

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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.