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Finding the Fourth Proportional to 359.44, 496.07 and 199.94

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Solution

The fourth proportional to 359.44, 496.07 and 199.94 is: 275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.44 : 496.07 = 199.94 : x
  2. Step 2: Convert to fraction form
    359.44/496.07 = 199.94/x
  3. Step 3: Cross multiply
    359.44x = 496.07 × 199.94
  4. Step 4: Simplify right side
    359.44x = 99,185.13
  5. Step 5: Solve for x
    x = 99,185.13/359.44
  6. Step 6: Final answer
    x = 275.94

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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.