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Finding the Fourth Proportional to 376,198.62, 519,152.67 and 206,435.58

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Solution

The fourth proportional to 376,198.62, 519,152.67 and 206,435.58 is: 284,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,198.62 : 519,152.67 = 206,435.58 : x
  2. Step 2: Convert to fraction form
    376,198.62/519,152.67 = 206,435.58/x
  3. Step 3: Cross multiply
    376,198.62x = 519,152.67 × 206,435.58
  4. Step 4: Simplify right side
    376,198.62x = 107,171,582,540.00
  5. Step 5: Solve for x
    x = 107,171,582,540.00/376,198.62
  6. Step 6: Final answer
    x = 284,880.32

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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.