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Finding the Fourth Proportional to 373,900.37, 515,979.88 and 204,134.49

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Solution

The fourth proportional to 373,900.37, 515,979.88 and 204,134.49 is: 281,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,900.37 : 515,979.88 = 204,134.49 : x
  2. Step 2: Convert to fraction form
    373,900.37/515,979.88 = 204,134.49/x
  3. Step 3: Cross multiply
    373,900.37x = 515,979.88 × 204,134.49
  4. Step 4: Simplify right side
    373,900.37x = 105,329,289,143.73
  5. Step 5: Solve for x
    x = 105,329,289,143.73/373,900.37
  6. Step 6: Final answer
    x = 281,704.16

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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.