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Finding the Fourth Proportional to 373,900.33, 515,979.79 and 204,134.45

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Solution

The fourth proportional to 373,900.33, 515,979.79 and 204,134.45 is: 281,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,900.33 : 515,979.79 = 204,134.45 : x
  2. Step 2: Convert to fraction form
    373,900.33/515,979.79 = 204,134.45/x
  3. Step 3: Cross multiply
    373,900.33x = 515,979.79 × 204,134.45
  4. Step 4: Simplify right side
    373,900.33x = 105,329,250,132.43
  5. Step 5: Solve for x
    x = 105,329,250,132.43/373,900.33
  6. Step 6: Final answer
    x = 281,704.09

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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.