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Finding the Fourth Proportional to 324,198.72, 447,340.73 and 180,958.73

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Solution

The fourth proportional to 324,198.72, 447,340.73 and 180,958.73 is: 249,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,198.72 : 447,340.73 = 180,958.73 : x
  2. Step 2: Convert to fraction form
    324,198.72/447,340.73 = 180,958.73/x
  3. Step 3: Cross multiply
    324,198.72x = 447,340.73 × 180,958.73
  4. Step 4: Simplify right side
    324,198.72x = 80,950,207,236.58
  5. Step 5: Solve for x
    x = 80,950,207,236.58/324,198.72
  6. Step 6: Final answer
    x = 249,693.17

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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.