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Finding the Fourth Proportional to 361,789.27, 499,299.86 and 200,696.22

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Solution

The fourth proportional to 361,789.27, 499,299.86 and 200,696.22 is: 276,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,789.27 : 499,299.86 = 200,696.22 : x
  2. Step 2: Convert to fraction form
    361,789.27/499,299.86 = 200,696.22/x
  3. Step 3: Cross multiply
    361,789.27x = 499,299.86 × 200,696.22
  4. Step 4: Simplify right side
    361,789.27x = 100,207,594,548.53
  5. Step 5: Solve for x
    x = 100,207,594,548.53/361,789.27
  6. Step 6: Final answer
    x = 276,977.80

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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.