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Finding the Fourth Proportional to 359.46, 496.01 and 212.08

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Solution

The fourth proportional to 359.46, 496.01 and 212.08 is: 292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.46 : 496.01 = 212.08 : x
  2. Step 2: Convert to fraction form
    359.46/496.01 = 212.08/x
  3. Step 3: Cross multiply
    359.46x = 496.01 × 212.08
  4. Step 4: Simplify right side
    359.46x = 105,191.32
  5. Step 5: Solve for x
    x = 105,191.32/359.46
  6. Step 6: Final answer
    x = 292.64

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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.