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Finding the Fourth Proportional to 347,912.42, 479,834.44 and 244,887.65

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Solution

The fourth proportional to 347,912.42, 479,834.44 and 244,887.65 is: 337,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,912.42 : 479,834.44 = 244,887.65 : x
  2. Step 2: Convert to fraction form
    347,912.42/479,834.44 = 244,887.65/x
  3. Step 3: Cross multiply
    347,912.42x = 479,834.44 × 244,887.65
  4. Step 4: Simplify right side
    347,912.42x = 117,505,531,609.59
  5. Step 5: Solve for x
    x = 117,505,531,609.59/347,912.42
  6. Step 6: Final answer
    x = 337,744.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.