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Finding the Fourth Proportional to 304,067.49, 419,610.81 and 168,107.17

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Solution

The fourth proportional to 304,067.49, 419,610.81 and 168,107.17 is: 231,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,067.49 : 419,610.81 = 168,107.17 : x
  2. Step 2: Convert to fraction form
    304,067.49/419,610.81 = 168,107.17/x
  3. Step 3: Cross multiply
    304,067.49x = 419,610.81 × 168,107.17
  4. Step 4: Simplify right side
    304,067.49x = 70,539,585,900.40
  5. Step 5: Solve for x
    x = 70,539,585,900.40/304,067.49
  6. Step 6: Final answer
    x = 231,986.61

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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.