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Finding the Fourth Proportional to 376,162.76, 519,113.68 and 206,396.76

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Solution

The fourth proportional to 376,162.76, 519,113.68 and 206,396.76 is: 284,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,162.76 : 519,113.68 = 206,396.76 : x
  2. Step 2: Convert to fraction form
    376,162.76/519,113.68 = 206,396.76/x
  3. Step 3: Cross multiply
    376,162.76x = 519,113.68 × 206,396.76
  4. Step 4: Simplify right side
    376,162.76x = 107,143,381,623.68
  5. Step 5: Solve for x
    x = 107,143,381,623.68/376,162.76
  6. Step 6: Final answer
    x = 284,832.51

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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.