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Finding the Fourth Proportional to 304,029.98, 419,555.19 and 168,069.66

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Solution

The fourth proportional to 304,029.98, 419,555.19 and 168,069.66 is: 231,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,029.98 : 419,555.19 = 168,069.66 : x
  2. Step 2: Convert to fraction form
    304,029.98/419,555.19 = 168,069.66/x
  3. Step 3: Cross multiply
    304,029.98x = 419,555.19 × 168,069.66
  4. Step 4: Simplify right side
    304,029.98x = 70,514,498,134.54
  5. Step 5: Solve for x
    x = 70,514,498,134.54/304,029.98
  6. Step 6: Final answer
    x = 231,932.71

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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.