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Finding the Fourth Proportional to 303,900.59, 419,408.07 and 167,961.08

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Solution

The fourth proportional to 303,900.59, 419,408.07 and 167,961.08 is: 231,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,900.59 : 419,408.07 = 167,961.08 : x
  2. Step 2: Convert to fraction form
    303,900.59/419,408.07 = 167,961.08/x
  3. Step 3: Cross multiply
    303,900.59x = 419,408.07 × 167,961.08
  4. Step 4: Simplify right side
    303,900.59x = 70,444,233,446.44
  5. Step 5: Solve for x
    x = 70,444,233,446.44/303,900.59
  6. Step 6: Final answer
    x = 231,800.25

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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.