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Finding the Fourth Proportional to 573.62, 791.60 and 352.53

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Solution

The fourth proportional to 573.62, 791.60 and 352.53 is: 486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.62 : 791.60 = 352.53 : x
  2. Step 2: Convert to fraction form
    573.62/791.60 = 352.53/x
  3. Step 3: Cross multiply
    573.62x = 791.60 × 352.53
  4. Step 4: Simplify right side
    573.62x = 279,060.99
  5. Step 5: Solve for x
    x = 279,060.99/573.62
  6. Step 6: Final answer
    x = 486.50

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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.