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Finding the Fourth Proportional to 573,198.99, 790,997.51 and 328,175.61

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Solution

The fourth proportional to 573,198.99, 790,997.51 and 328,175.61 is: 452,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,198.99 : 790,997.51 = 328,175.61 : x
  2. Step 2: Convert to fraction form
    573,198.99/790,997.51 = 328,175.61/x
  3. Step 3: Cross multiply
    573,198.99x = 790,997.51 × 328,175.61
  4. Step 4: Simplify right side
    573,198.99x = 259,586,090,352.73
  5. Step 5: Solve for x
    x = 259,586,090,352.73/573,198.99
  6. Step 6: Final answer
    x = 452,872.55

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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.