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Finding the Fourth Proportional to 324,651.88, 447,986.34 and 222,764.68

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Solution

The fourth proportional to 324,651.88, 447,986.34 and 222,764.68 is: 307,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,651.88 : 447,986.34 = 222,764.68 : x
  2. Step 2: Convert to fraction form
    324,651.88/447,986.34 = 222,764.68/x
  3. Step 3: Cross multiply
    324,651.88x = 447,986.34 × 222,764.68
  4. Step 4: Simplify right side
    324,651.88x = 99,795,533,674.47
  5. Step 5: Solve for x
    x = 99,795,533,674.47/324,651.88
  6. Step 6: Final answer
    x = 307,392.44

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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.