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Finding the Fourth Proportional to 576,514.44, 863,822.77 and 197,227.83

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Solution

The fourth proportional to 576,514.44, 863,822.77 and 197,227.83 is: 295,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,514.44 : 863,822.77 = 197,227.83 : x
  2. Step 2: Convert to fraction form
    576,514.44/863,822.77 = 197,227.83/x
  3. Step 3: Cross multiply
    576,514.44x = 863,822.77 × 197,227.83
  4. Step 4: Simplify right side
    576,514.44x = 170,369,890,431.69
  5. Step 5: Solve for x
    x = 170,369,890,431.69/576,514.44
  6. Step 6: Final answer
    x = 295,517.13

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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.