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Finding the Fourth Proportional to 324,364.21, 447,620.83 and 179,179.98

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Solution

The fourth proportional to 324,364.21, 447,620.83 and 179,179.98 is: 247,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,364.21 : 447,620.83 = 179,179.98 : x
  2. Step 2: Convert to fraction form
    324,364.21/447,620.83 = 179,179.98/x
  3. Step 3: Cross multiply
    324,364.21x = 447,620.83 × 179,179.98
  4. Step 4: Simplify right side
    324,364.21x = 80,204,691,644.46
  5. Step 5: Solve for x
    x = 80,204,691,644.46/324,364.21
  6. Step 6: Final answer
    x = 247,267.39

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1.5x scale

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.