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Finding the Fourth Proportional to 290,855.70, 436,611.60 and 224,589.60

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Solution

The fourth proportional to 290,855.70, 436,611.60 and 224,589.60 is: 337,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,855.70 : 436,611.60 = 224,589.60 : x
  2. Step 2: Convert to fraction form
    290,855.70/436,611.60 = 224,589.60/x
  3. Step 3: Cross multiply
    290,855.70x = 436,611.60 × 224,589.60
  4. Step 4: Simplify right side
    290,855.70x = 98,058,424,599.36
  5. Step 5: Solve for x
    x = 98,058,424,599.36/290,855.70
  6. Step 6: Final answer
    x = 337,137.71

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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.