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Finding the Fourth Proportional to 576,560.11, 864,843.23 and 378,137.03

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Solution

The fourth proportional to 576,560.11, 864,843.23 and 378,137.03 is: 567,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,560.11 : 864,843.23 = 378,137.03 : x
  2. Step 2: Convert to fraction form
    576,560.11/864,843.23 = 378,137.03/x
  3. Step 3: Cross multiply
    576,560.11x = 864,843.23 × 378,137.03
  4. Step 4: Simplify right side
    576,560.11x = 327,029,246,083.59
  5. Step 5: Solve for x
    x = 327,029,246,083.59/576,560.11
  6. Step 6: Final answer
    x = 567,207.55

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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.