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Finding the Fourth Proportional to 300,310.26, 414,474.77 and 171,249.01

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Solution

The fourth proportional to 300,310.26, 414,474.77 and 171,249.01 is: 236,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,310.26 : 414,474.77 = 171,249.01 : x
  2. Step 2: Convert to fraction form
    300,310.26/414,474.77 = 171,249.01/x
  3. Step 3: Cross multiply
    300,310.26x = 414,474.77 × 171,249.01
  4. Step 4: Simplify right side
    300,310.26x = 70,978,394,590.12
  5. Step 5: Solve for x
    x = 70,978,394,590.12/300,310.26
  6. Step 6: Final answer
    x = 236,350.22

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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.