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Finding the Fourth Proportional to 323,103.81, 445,891.07 and 179,873.53

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Solution

The fourth proportional to 323,103.81, 445,891.07 and 179,873.53 is: 248,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,103.81 : 445,891.07 = 179,873.53 : x
  2. Step 2: Convert to fraction form
    323,103.81/445,891.07 = 179,873.53/x
  3. Step 3: Cross multiply
    323,103.81x = 445,891.07 × 179,873.53
  4. Step 4: Simplify right side
    323,103.81x = 80,204,000,756.38
  5. Step 5: Solve for x
    x = 80,204,000,756.38/323,103.81
  6. Step 6: Final answer
    x = 248,229.82

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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.