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Finding the Fourth Proportional to 355,793.94, 491,017.41 and 204,939.54

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Solution

The fourth proportional to 355,793.94, 491,017.41 and 204,939.54 is: 282,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,793.94 : 491,017.41 = 204,939.54 : x
  2. Step 2: Convert to fraction form
    355,793.94/491,017.41 = 204,939.54/x
  3. Step 3: Cross multiply
    355,793.94x = 491,017.41 × 204,939.54
  4. Step 4: Simplify right side
    355,793.94x = 100,628,882,137.39
  5. Step 5: Solve for x
    x = 100,628,882,137.39/355,793.94
  6. Step 6: Final answer
    x = 282,829.11

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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.