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Finding the Fourth Proportional to 573.82, 791.92 and 325.14

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Solution

The fourth proportional to 573.82, 791.92 and 325.14 is: 448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.82 : 791.92 = 325.14 : x
  2. Step 2: Convert to fraction form
    573.82/791.92 = 325.14/x
  3. Step 3: Cross multiply
    573.82x = 791.92 × 325.14
  4. Step 4: Simplify right side
    573.82x = 257,484.87
  5. Step 5: Solve for x
    x = 257,484.87/573.82
  6. Step 6: Final answer
    x = 448.72

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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.