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Finding the Fourth Proportional to 303,771.66, 419,168.95 and 167,797.44

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Solution

The fourth proportional to 303,771.66, 419,168.95 and 167,797.44 is: 231,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,771.66 : 419,168.95 = 167,797.44 : x
  2. Step 2: Convert to fraction form
    303,771.66/419,168.95 = 167,797.44/x
  3. Step 3: Cross multiply
    303,771.66x = 419,168.95 × 167,797.44
  4. Step 4: Simplify right side
    303,771.66x = 70,335,478,519.12
  5. Step 5: Solve for x
    x = 70,335,478,519.12/303,771.66
  6. Step 6: Final answer
    x = 231,540.62

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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.