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Finding the Fourth Proportional to 300,660.60, 414,918.32 and 171,596.50

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Solution

The fourth proportional to 300,660.60, 414,918.32 and 171,596.50 is: 236,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,660.60 : 414,918.32 = 171,596.50 : x
  2. Step 2: Convert to fraction form
    300,660.60/414,918.32 = 171,596.50/x
  3. Step 3: Cross multiply
    300,660.60x = 414,918.32 × 171,596.50
  4. Step 4: Simplify right side
    300,660.60x = 71,198,532,217.40
  5. Step 5: Solve for x
    x = 71,198,532,217.40/300,660.60
  6. Step 6: Final answer
    x = 236,806.99

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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.