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Finding the Fourth Proportional to 844,219.26, 1,266,030 and 311,597.28

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Solution

The fourth proportional to 844,219.26, 1,266,030 and 311,597.28 is: 467,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,219.26 : 1,266,030 = 311,597.28 : x
  2. Step 2: Convert to fraction form
    844,219.26/1,266,030 = 311,597.28/x
  3. Step 3: Cross multiply
    844,219.26x = 1,266,030 × 311,597.28
  4. Step 4: Simplify right side
    844,219.26x = 394,491,504,398.40
  5. Step 5: Solve for x
    x = 394,491,504,398.40/844,219.26
  6. Step 6: Final answer
    x = 467,285.60

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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.