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Finding the Fourth Proportional to 576,610.11, 795,511.13 and 361,671.75

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Solution

The fourth proportional to 576,610.11, 795,511.13 and 361,671.75 is: 498,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,610.11 : 795,511.13 = 361,671.75 : x
  2. Step 2: Convert to fraction form
    576,610.11/795,511.13 = 361,671.75/x
  3. Step 3: Cross multiply
    576,610.11x = 795,511.13 × 361,671.75
  4. Step 4: Simplify right side
    576,610.11x = 287,713,900,723.22
  5. Step 5: Solve for x
    x = 287,713,900,723.22/576,610.11
  6. Step 6: Final answer
    x = 498,974.78

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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.