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Finding the Fourth Proportional to 573.82, 791.17 and 504.57

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Solution

The fourth proportional to 573.82, 791.17 and 504.57 is: 695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.82 : 791.17 = 504.57 : x
  2. Step 2: Convert to fraction form
    573.82/791.17 = 504.57/x
  3. Step 3: Cross multiply
    573.82x = 791.17 × 504.57
  4. Step 4: Simplify right side
    573.82x = 399,200.65
  5. Step 5: Solve for x
    x = 399,200.65/573.82
  6. Step 6: Final answer
    x = 695.69

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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.