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Finding the Fourth Proportional to 324,596.30, 448,067.87 and 290,544.71

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Solution

The fourth proportional to 324,596.30, 448,067.87 and 290,544.71 is: 401,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,596.30 : 448,067.87 = 290,544.71 : x
  2. Step 2: Convert to fraction form
    324,596.30/448,067.87 = 290,544.71/x
  3. Step 3: Cross multiply
    324,596.30x = 448,067.87 × 290,544.71
  4. Step 4: Simplify right side
    324,596.30x = 130,183,746,745.95
  5. Step 5: Solve for x
    x = 130,183,746,745.95/324,596.30
  6. Step 6: Final answer
    x = 401,063.56

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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.