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Finding the Fourth Proportional to 573.69, 791.74 and 325.03

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Solution

The fourth proportional to 573.69, 791.74 and 325.03 is: 448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.69 : 791.74 = 325.03 : x
  2. Step 2: Convert to fraction form
    573.69/791.74 = 325.03/x
  3. Step 3: Cross multiply
    573.69x = 791.74 × 325.03
  4. Step 4: Simplify right side
    573.69x = 257,339.25
  5. Step 5: Solve for x
    x = 257,339.25/573.69
  6. Step 6: Final answer
    x = 448.57

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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.