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Finding the Fourth Proportional to 446,589.75, 669,883.59 and 193,837.49

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Solution

The fourth proportional to 446,589.75, 669,883.59 and 193,837.49 is: 290,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,589.75 : 669,883.59 = 193,837.49 : x
  2. Step 2: Convert to fraction form
    446,589.75/669,883.59 = 193,837.49/x
  3. Step 3: Cross multiply
    446,589.75x = 669,883.59 × 193,837.49
  4. Step 4: Simplify right side
    446,589.75x = 129,848,550,328.37
  5. Step 5: Solve for x
    x = 129,848,550,328.37/446,589.75
  6. Step 6: Final answer
    x = 290,755.78

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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.