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Finding the Fourth Proportional to 543,470.80, 814,914.60 and 227,570.80

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Solution

The fourth proportional to 543,470.80, 814,914.60 and 227,570.80 is: 341,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,470.80 : 814,914.60 = 227,570.80 : x
  2. Step 2: Convert to fraction form
    543,470.80/814,914.60 = 227,570.80/x
  3. Step 3: Cross multiply
    543,470.80x = 814,914.60 × 227,570.80
  4. Step 4: Simplify right side
    543,470.80x = 185,450,767,453.68
  5. Step 5: Solve for x
    x = 185,450,767,453.68/543,470.80
  6. Step 6: Final answer
    x = 341,234.10

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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.