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Finding the Fourth Proportional to 567.97, 851.97 and 275.42

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Solution

The fourth proportional to 567.97, 851.97 and 275.42 is: 413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.97 : 851.97 = 275.42 : x
  2. Step 2: Convert to fraction form
    567.97/851.97 = 275.42/x
  3. Step 3: Cross multiply
    567.97x = 851.97 × 275.42
  4. Step 4: Simplify right side
    567.97x = 234,649.58
  5. Step 5: Solve for x
    x = 234,649.58/567.97
  6. Step 6: Final answer
    x = 413.14

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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.