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Finding the Fourth Proportional to 573.52, 791.52 and 324.84

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Solution

The fourth proportional to 573.52, 791.52 and 324.84 is: 448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.52 : 791.52 = 324.84 : x
  2. Step 2: Convert to fraction form
    573.52/791.52 = 324.84/x
  3. Step 3: Cross multiply
    573.52x = 791.52 × 324.84
  4. Step 4: Simplify right side
    573.52x = 257,117.36
  5. Step 5: Solve for x
    x = 257,117.36/573.52
  6. Step 6: Final answer
    x = 448.31

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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.