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Finding the Fourth Proportional to 373,724.69, 515,732.87 and 203,960.03

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Solution

The fourth proportional to 373,724.69, 515,732.87 and 203,960.03 is: 281,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,724.69 : 515,732.87 = 203,960.03 : x
  2. Step 2: Convert to fraction form
    373,724.69/515,732.87 = 203,960.03/x
  3. Step 3: Cross multiply
    373,724.69x = 515,732.87 × 203,960.03
  4. Step 4: Simplify right side
    373,724.69x = 105,188,889,568.42
  5. Step 5: Solve for x
    x = 105,188,889,568.42/373,724.69
  6. Step 6: Final answer
    x = 281,460.91

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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.