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Finding the Fourth Proportional to 573.50, 791.17 and 352.37

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Solution

The fourth proportional to 573.50, 791.17 and 352.37 is: 486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.50 : 791.17 = 352.37 : x
  2. Step 2: Convert to fraction form
    573.50/791.17 = 352.37/x
  3. Step 3: Cross multiply
    573.50x = 791.17 × 352.37
  4. Step 4: Simplify right side
    573.50x = 278,781.22
  5. Step 5: Solve for x
    x = 278,781.22/573.50
  6. Step 6: Final answer
    x = 486.11

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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.