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Finding the Fourth Proportional to 396,772.44, 594,622.94 and 185,939.16

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Solution

The fourth proportional to 396,772.44, 594,622.94 and 185,939.16 is: 278,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,772.44 : 594,622.94 = 185,939.16 : x
  2. Step 2: Convert to fraction form
    396,772.44/594,622.94 = 185,939.16/x
  3. Step 3: Cross multiply
    396,772.44x = 594,622.94 × 185,939.16
  4. Step 4: Simplify right side
    396,772.44x = 110,563,689,980.33
  5. Step 5: Solve for x
    x = 110,563,689,980.33/396,772.44
  6. Step 6: Final answer
    x = 278,657.69

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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.