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Finding the Fourth Proportional to 304,078.84, 419,610.73 and 168,104.65

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Solution

The fourth proportional to 304,078.84, 419,610.73 and 168,104.65 is: 231,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,078.84 : 419,610.73 = 168,104.65 : x
  2. Step 2: Convert to fraction form
    304,078.84/419,610.73 = 168,104.65/x
  3. Step 3: Cross multiply
    304,078.84x = 419,610.73 × 168,104.65
  4. Step 4: Simplify right side
    304,078.84x = 70,538,514,535.57
  5. Step 5: Solve for x
    x = 70,538,514,535.57/304,078.84
  6. Step 6: Final answer
    x = 231,974.42

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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.