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Finding the Fourth Proportional to 303,797.46, 419,238.50 and 167,840.17

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Solution

The fourth proportional to 303,797.46, 419,238.50 and 167,840.17 is: 231,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,797.46 : 419,238.50 = 167,840.17 : x
  2. Step 2: Convert to fraction form
    303,797.46/419,238.50 = 167,840.17/x
  3. Step 3: Cross multiply
    303,797.46x = 419,238.50 × 167,840.17
  4. Step 4: Simplify right side
    303,797.46x = 70,365,061,739.04
  5. Step 5: Solve for x
    x = 70,365,061,739.04/303,797.46
  6. Step 6: Final answer
    x = 231,618.34

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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.