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Finding the Fourth Proportional to 303,855.57, 419,345.24 and 167,901.44

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Solution

The fourth proportional to 303,855.57, 419,345.24 and 167,901.44 is: 231,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,855.57 : 419,345.24 = 167,901.44 : x
  2. Step 2: Convert to fraction form
    303,855.57/419,345.24 = 167,901.44/x
  3. Step 3: Cross multiply
    303,855.57x = 419,345.24 × 167,901.44
  4. Step 4: Simplify right side
    303,855.57x = 70,408,666,716.91
  5. Step 5: Solve for x
    x = 70,408,666,716.91/303,855.57
  6. Step 6: Final answer
    x = 231,717.55

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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.