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Finding the Fourth Proportional to 361,791.36, 499,305.36 and 200,653.12

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Solution

The fourth proportional to 361,791.36, 499,305.36 and 200,653.12 is: 276,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,791.36 : 499,305.36 = 200,653.12 : x
  2. Step 2: Convert to fraction form
    361,791.36/499,305.36 = 200,653.12/x
  3. Step 3: Cross multiply
    361,791.36x = 499,305.36 × 200,653.12
  4. Step 4: Simplify right side
    361,791.36x = 100,187,178,316.72
  5. Step 5: Solve for x
    x = 100,187,178,316.72/361,791.36
  6. Step 6: Final answer
    x = 276,919.76

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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.