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Finding the Fourth Proportional to 376,445.92, 519,479.04 and 206,682.88

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Solution

The fourth proportional to 376,445.92, 519,479.04 and 206,682.88 is: 285,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,445.92 : 519,479.04 = 206,682.88 : x
  2. Step 2: Convert to fraction form
    376,445.92/519,479.04 = 206,682.88/x
  3. Step 3: Cross multiply
    376,445.92x = 519,479.04 × 206,682.88
  4. Step 4: Simplify right side
    376,445.92x = 107,367,424,086.84
  5. Step 5: Solve for x
    x = 107,367,424,086.84/376,445.92
  6. Step 6: Final answer
    x = 285,213.41

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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.