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Finding the Fourth Proportional to 384,662.26, 576,993.48 and 104,179.60

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Solution

The fourth proportional to 384,662.26, 576,993.48 and 104,179.60 is: 156,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,662.26 : 576,993.48 = 104,179.60 : x
  2. Step 2: Convert to fraction form
    384,662.26/576,993.48 = 104,179.60/x
  3. Step 3: Cross multiply
    384,662.26x = 576,993.48 × 104,179.60
  4. Step 4: Simplify right side
    384,662.26x = 60,110,949,949.01
  5. Step 5: Solve for x
    x = 60,110,949,949.01/384,662.26
  6. Step 6: Final answer
    x = 156,269.42

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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.