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Finding the Fourth Proportional to 269,620.20, 404,430.30 and 227,629.80

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Solution

The fourth proportional to 269,620.20, 404,430.30 and 227,629.80 is: 341,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,620.20 : 404,430.30 = 227,629.80 : x
  2. Step 2: Convert to fraction form
    269,620.20/404,430.30 = 227,629.80/x
  3. Step 3: Cross multiply
    269,620.20x = 404,430.30 × 227,629.80
  4. Step 4: Simplify right side
    269,620.20x = 92,060,388,302.94
  5. Step 5: Solve for x
    x = 92,060,388,302.94/269,620.20
  6. Step 6: Final answer
    x = 341,444.70

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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.