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Finding the Fourth Proportional to 576,616.86, 795,520.44 and 361,678.50

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Solution

The fourth proportional to 576,616.86, 795,520.44 and 361,678.50 is: 498,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,616.86 : 795,520.44 = 361,678.50 : x
  2. Step 2: Convert to fraction form
    576,616.86/795,520.44 = 361,678.50/x
  3. Step 3: Cross multiply
    576,616.86x = 795,520.44 × 361,678.50
  4. Step 4: Simplify right side
    576,616.86x = 287,722,639,458.54
  5. Step 5: Solve for x
    x = 287,722,639,458.54/576,616.86
  6. Step 6: Final answer
    x = 498,984.09

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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.