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Finding the Fourth Proportional to 359.87, 496.62 and 202.50

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Solution

The fourth proportional to 359.87, 496.62 and 202.50 is: 279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.87 : 496.62 = 202.50 : x
  2. Step 2: Convert to fraction form
    359.87/496.62 = 202.50/x
  3. Step 3: Cross multiply
    359.87x = 496.62 × 202.50
  4. Step 4: Simplify right side
    359.87x = 100,565.55
  5. Step 5: Solve for x
    x = 100,565.55/359.87
  6. Step 6: Final answer
    x = 279.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.