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Finding the Fourth Proportional to 359.74, 496.33 and 212.32

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Solution

The fourth proportional to 359.74, 496.33 and 212.32 is: 292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.74 : 496.33 = 212.32 : x
  2. Step 2: Convert to fraction form
    359.74/496.33 = 212.32/x
  3. Step 3: Cross multiply
    359.74x = 496.33 × 212.32
  4. Step 4: Simplify right side
    359.74x = 105,380.88
  5. Step 5: Solve for x
    x = 105,380.88/359.74
  6. Step 6: Final answer
    x = 292.94

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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.