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Finding the Fourth Proportional to 775.02, 1,160.48 and 567.25

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Solution

The fourth proportional to 775.02, 1,160.48 and 567.25 is: 849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    775.02 : 1,160.48 = 567.25 : x
  2. Step 2: Convert to fraction form
    775.02/1,160.48 = 567.25/x
  3. Step 3: Cross multiply
    775.02x = 1,160.48 × 567.25
  4. Step 4: Simplify right side
    775.02x = 658,284.13
  5. Step 5: Solve for x
    x = 658,284.13/775.02
  6. Step 6: Final answer
    x = 849.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.