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Finding the Fourth Proportional to 226,669.20, 340,003.80 and 187,270.80

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Solution

The fourth proportional to 226,669.20, 340,003.80 and 187,270.80 is: 280,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,669.20 : 340,003.80 = 187,270.80 : x
  2. Step 2: Convert to fraction form
    226,669.20/340,003.80 = 187,270.80/x
  3. Step 3: Cross multiply
    226,669.20x = 340,003.80 × 187,270.80
  4. Step 4: Simplify right side
    226,669.20x = 63,672,783,629.04
  5. Step 5: Solve for x
    x = 63,672,783,629.04/226,669.20
  6. Step 6: Final answer
    x = 280,906.20

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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.