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Finding the Fourth Proportional to 376,548.75, 519,640.92 and 206,786.52

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Solution

The fourth proportional to 376,548.75, 519,640.92 and 206,786.52 is: 285,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,548.75 : 519,640.92 = 206,786.52 : x
  2. Step 2: Convert to fraction form
    376,548.75/519,640.92 = 206,786.52/x
  3. Step 3: Cross multiply
    376,548.75x = 519,640.92 × 206,786.52
  4. Step 4: Simplify right side
    376,548.75x = 107,454,737,496.40
  5. Step 5: Solve for x
    x = 107,454,737,496.40/376,548.75
  6. Step 6: Final answer
    x = 285,367.40

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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.