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Finding the Fourth Proportional to 576,949.08, 796,185.32 and 318,843.38

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Solution

The fourth proportional to 576,949.08, 796,185.32 and 318,843.38 is: 440,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,949.08 : 796,185.32 = 318,843.38 : x
  2. Step 2: Convert to fraction form
    576,949.08/796,185.32 = 318,843.38/x
  3. Step 3: Cross multiply
    576,949.08x = 796,185.32 × 318,843.38
  4. Step 4: Simplify right side
    576,949.08x = 253,858,418,535.18
  5. Step 5: Solve for x
    x = 253,858,418,535.18/576,949.08
  6. Step 6: Final answer
    x = 440,001.43

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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.