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Finding the Fourth Proportional to 275,594.20, 412,469.70 and 192,650.20

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Solution

The fourth proportional to 275,594.20, 412,469.70 and 192,650.20 is: 288,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,594.20 : 412,469.70 = 192,650.20 : x
  2. Step 2: Convert to fraction form
    275,594.20/412,469.70 = 192,650.20/x
  3. Step 3: Cross multiply
    275,594.20x = 412,469.70 × 192,650.20
  4. Step 4: Simplify right side
    275,594.20x = 79,462,370,198.94
  5. Step 5: Solve for x
    x = 79,462,370,198.94/275,594.20
  6. Step 6: Final answer
    x = 288,331.07

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1.5x scale

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.