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Finding the Fourth Proportional to 318,651.54, 438,901.44 and 244,922.97

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Solution

The fourth proportional to 318,651.54, 438,901.44 and 244,922.97 is: 337,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,651.54 : 438,901.44 = 244,922.97 : x
  2. Step 2: Convert to fraction form
    318,651.54/438,901.44 = 244,922.97/x
  3. Step 3: Cross multiply
    318,651.54x = 438,901.44 × 244,922.97
  4. Step 4: Simplify right side
    318,651.54x = 107,497,044,222.08
  5. Step 5: Solve for x
    x = 107,497,044,222.08/318,651.54
  6. Step 6: Final answer
    x = 337,349.83

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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.