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Finding the Fourth Proportional to 573.36, 791.28 and 433.23

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Solution

The fourth proportional to 573.36, 791.28 and 433.23 is: 597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.36 : 791.28 = 433.23 : x
  2. Step 2: Convert to fraction form
    573.36/791.28 = 433.23/x
  3. Step 3: Cross multiply
    573.36x = 791.28 × 433.23
  4. Step 4: Simplify right side
    573.36x = 342,806.23
  5. Step 5: Solve for x
    x = 342,806.23/573.36
  6. Step 6: Final answer
    x = 597.89

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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.