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Finding the Fourth Proportional to 573.53, 791.46 and 324.84

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Solution

The fourth proportional to 573.53, 791.46 and 324.84 is: 448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.53 : 791.46 = 324.84 : x
  2. Step 2: Convert to fraction form
    573.53/791.46 = 324.84/x
  3. Step 3: Cross multiply
    573.53x = 791.46 × 324.84
  4. Step 4: Simplify right side
    573.53x = 257,097.87
  5. Step 5: Solve for x
    x = 257,097.87/573.53
  6. Step 6: Final answer
    x = 448.27

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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.