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Finding the Fourth Proportional to 376,573.92, 519,671.41 and 206,808.05

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Solution

The fourth proportional to 376,573.92, 519,671.41 and 206,808.05 is: 285,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,573.92 : 519,671.41 = 206,808.05 : x
  2. Step 2: Convert to fraction form
    376,573.92/519,671.41 = 206,808.05/x
  3. Step 3: Cross multiply
    376,573.92x = 519,671.41 × 206,808.05
  4. Step 4: Simplify right side
    376,573.92x = 107,472,230,942.85
  5. Step 5: Solve for x
    x = 107,472,230,942.85/376,573.92
  6. Step 6: Final answer
    x = 285,394.78

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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.