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Finding the Fourth Proportional to 551,625.20, 827,243.40 and 196,650.80

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Solution

The fourth proportional to 551,625.20, 827,243.40 and 196,650.80 is: 294,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,625.20 : 827,243.40 = 196,650.80 : x
  2. Step 2: Convert to fraction form
    551,625.20/827,243.40 = 196,650.80/x
  3. Step 3: Cross multiply
    551,625.20x = 827,243.40 × 196,650.80
  4. Step 4: Simplify right side
    551,625.20x = 162,678,076,404.72
  5. Step 5: Solve for x
    x = 162,678,076,404.72/551,625.20
  6. Step 6: Final answer
    x = 294,906.90

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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.