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Finding the Fourth Proportional to 573.36, 791.04 and 352.08

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Solution

The fourth proportional to 573.36, 791.04 and 352.08 is: 485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.36 : 791.04 = 352.08 : x
  2. Step 2: Convert to fraction form
    573.36/791.04 = 352.08/x
  3. Step 3: Cross multiply
    573.36x = 791.04 × 352.08
  4. Step 4: Simplify right side
    573.36x = 278,509.36
  5. Step 5: Solve for x
    x = 278,509.36/573.36
  6. Step 6: Final answer
    x = 485.75

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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.