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Finding the Fourth Proportional to 481,589.70, 722,391.57 and 228,895.97

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Solution

The fourth proportional to 481,589.70, 722,391.57 and 228,895.97 is: 343,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,589.70 : 722,391.57 = 228,895.97 : x
  2. Step 2: Convert to fraction form
    481,589.70/722,391.57 = 228,895.97/x
  3. Step 3: Cross multiply
    481,589.70x = 722,391.57 × 228,895.97
  4. Step 4: Simplify right side
    481,589.70x = 165,352,515,523.02
  5. Step 5: Solve for x
    x = 165,352,515,523.02/481,589.70
  6. Step 6: Final answer
    x = 343,347.28

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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.