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Finding the Fourth Proportional to 551,650.20, 827,280.90 and 196,675.80

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Solution

The fourth proportional to 551,650.20, 827,280.90 and 196,675.80 is: 294,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,650.20 : 827,280.90 = 196,675.80 : x
  2. Step 2: Convert to fraction form
    551,650.20/827,280.90 = 196,675.80/x
  3. Step 3: Cross multiply
    551,650.20x = 827,280.90 × 196,675.80
  4. Step 4: Simplify right side
    551,650.20x = 162,706,132,832.22
  5. Step 5: Solve for x
    x = 162,706,132,832.22/551,650.20
  6. Step 6: Final answer
    x = 294,944.39

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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.