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Finding the Fourth Proportional to 800,659.68, 1,201,396.83 and 351,264

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Solution

The fourth proportional to 800,659.68, 1,201,396.83 and 351,264 is: 527,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,659.68 : 1,201,396.83 = 351,264 : x
  2. Step 2: Convert to fraction form
    800,659.68/1,201,396.83 = 351,264/x
  3. Step 3: Cross multiply
    800,659.68x = 1,201,396.83 × 351,264
  4. Step 4: Simplify right side
    800,659.68x = 422,007,456,093.12
  5. Step 5: Solve for x
    x = 422,007,456,093.12/800,659.68
  6. Step 6: Final answer
    x = 527,074.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.