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Finding the Fourth Proportional to 359.76, 496.35 and 202.37

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Solution

The fourth proportional to 359.76, 496.35 and 202.37 is: 279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.76 : 496.35 = 202.37 : x
  2. Step 2: Convert to fraction form
    359.76/496.35 = 202.37/x
  3. Step 3: Cross multiply
    359.76x = 496.35 × 202.37
  4. Step 4: Simplify right side
    359.76x = 100,443.87
  5. Step 5: Solve for x
    x = 100,443.87/359.76
  6. Step 6: Final answer
    x = 279.20

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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.