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Finding the Fourth Proportional to 300,173.58, 414,249.40 and 171,109.75

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Solution

The fourth proportional to 300,173.58, 414,249.40 and 171,109.75 is: 236,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,173.58 : 414,249.40 = 171,109.75 : x
  2. Step 2: Convert to fraction form
    300,173.58/414,249.40 = 171,109.75/x
  3. Step 3: Cross multiply
    300,173.58x = 414,249.40 × 171,109.75
  4. Step 4: Simplify right side
    300,173.58x = 70,882,108,344.85
  5. Step 5: Solve for x
    x = 70,882,108,344.85/300,173.58
  6. Step 6: Final answer
    x = 236,137.07

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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.