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Finding the Fourth Proportional to 359.99, 496.71 and 202.62

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Solution

The fourth proportional to 359.99, 496.71 and 202.62 is: 279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.99 : 496.71 = 202.62 : x
  2. Step 2: Convert to fraction form
    359.99/496.71 = 202.62/x
  3. Step 3: Cross multiply
    359.99x = 496.71 × 202.62
  4. Step 4: Simplify right side
    359.99x = 100,643.38
  5. Step 5: Solve for x
    x = 100,643.38/359.99
  6. Step 6: Final answer
    x = 279.58

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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.