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Finding the Fourth Proportional to 396,871.56, 593,934.38 and 245,006.28

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Solution

The fourth proportional to 396,871.56, 593,934.38 and 245,006.28 is: 366,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,871.56 : 593,934.38 = 245,006.28 : x
  2. Step 2: Convert to fraction form
    396,871.56/593,934.38 = 245,006.28/x
  3. Step 3: Cross multiply
    396,871.56x = 593,934.38 × 245,006.28
  4. Step 4: Simplify right side
    396,871.56x = 145,517,653,007.91
  5. Step 5: Solve for x
    x = 145,517,653,007.91/396,871.56
  6. Step 6: Final answer
    x = 366,661.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.