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Finding the Fourth Proportional to 447,668.62, 671,080.81 and 222,816.49

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Solution

The fourth proportional to 447,668.62, 671,080.81 and 222,816.49 is: 334,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,668.62 : 671,080.81 = 222,816.49 : x
  2. Step 2: Convert to fraction form
    447,668.62/671,080.81 = 222,816.49/x
  3. Step 3: Cross multiply
    447,668.62x = 671,080.81 × 222,816.49
  4. Step 4: Simplify right side
    447,668.62x = 149,527,870,590.56
  5. Step 5: Solve for x
    x = 149,527,870,590.56/447,668.62
  6. Step 6: Final answer
    x = 334,014.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.