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Finding the Fourth Proportional to 365.52, 504.41 and 199.73

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Solution

The fourth proportional to 365.52, 504.41 and 199.73 is: 275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.52 : 504.41 = 199.73 : x
  2. Step 2: Convert to fraction form
    365.52/504.41 = 199.73/x
  3. Step 3: Cross multiply
    365.52x = 504.41 × 199.73
  4. Step 4: Simplify right side
    365.52x = 100,744.93
  5. Step 5: Solve for x
    x = 100,744.93/365.52
  6. Step 6: Final answer
    x = 275.62

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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.