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Finding the Fourth Proportional to 303,969.45, 419,464.78 and 167,996.37

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Solution

The fourth proportional to 303,969.45, 419,464.78 and 167,996.37 is: 231,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,969.45 : 419,464.78 = 167,996.37 : x
  2. Step 2: Convert to fraction form
    303,969.45/419,464.78 = 167,996.37/x
  3. Step 3: Cross multiply
    303,969.45x = 419,464.78 × 167,996.37
  4. Step 4: Simplify right side
    303,969.45x = 70,468,560,382.85
  5. Step 5: Solve for x
    x = 70,468,560,382.85/303,969.45
  6. Step 6: Final answer
    x = 231,827.77

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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.