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Finding the Fourth Proportional to 303,863.52, 419,330.04 and 167,906.84

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Solution

The fourth proportional to 303,863.52, 419,330.04 and 167,906.84 is: 231,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,863.52 : 419,330.04 = 167,906.84 : x
  2. Step 2: Convert to fraction form
    303,863.52/419,330.04 = 167,906.84/x
  3. Step 3: Cross multiply
    303,863.52x = 419,330.04 × 167,906.84
  4. Step 4: Simplify right side
    303,863.52x = 70,408,381,933.47
  5. Step 5: Solve for x
    x = 70,408,381,933.47/303,863.52
  6. Step 6: Final answer
    x = 231,710.55

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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.