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Finding the Fourth Proportional to 361,305.15, 498,604.58 and 200,163.61

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Solution

The fourth proportional to 361,305.15, 498,604.58 and 200,163.61 is: 276,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,305.15 : 498,604.58 = 200,163.61 : x
  2. Step 2: Convert to fraction form
    361,305.15/498,604.58 = 200,163.61/x
  3. Step 3: Cross multiply
    361,305.15x = 498,604.58 × 200,163.61
  4. Step 4: Simplify right side
    361,305.15x = 99,802,492,695.33
  5. Step 5: Solve for x
    x = 99,802,492,695.33/361,305.15
  6. Step 6: Final answer
    x = 276,227.71

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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.