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Finding the Fourth Proportional to 576,862.59, 796,067.33 and 318,757.33

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Solution

The fourth proportional to 576,862.59, 796,067.33 and 318,757.33 is: 439,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,862.59 : 796,067.33 = 318,757.33 : x
  2. Step 2: Convert to fraction form
    576,862.59/796,067.33 = 318,757.33/x
  3. Step 3: Cross multiply
    576,862.59x = 796,067.33 × 318,757.33
  4. Step 4: Simplify right side
    576,862.59x = 253,752,295,017.24
  5. Step 5: Solve for x
    x = 253,752,295,017.24/576,862.59
  6. Step 6: Final answer
    x = 439,883.43

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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.