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Finding the Fourth Proportional to 2,652,375.54, 3,979,294.56 and 1,056,059.64

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Solution

The fourth proportional to 2,652,375.54, 3,979,294.56 and 1,056,059.64 is: 1,584,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,375.54 : 3,979,294.56 = 1,056,059.64 : x
  2. Step 2: Convert to fraction form
    2,652,375.54/3,979,294.56 = 1,056,059.64/x
  3. Step 3: Cross multiply
    2,652,375.54x = 3,979,294.56 × 1,056,059.64
  4. Step 4: Simplify right side
    2,652,375.54x = 4,202,372,380,487.56
  5. Step 5: Solve for x
    x = 4,202,372,380,487.56/2,652,375.54
  6. Step 6: Final answer
    x = 1,584,380.61

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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.