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Finding the Fourth Proportional to 264,938.60, 396,371.10 and 171,626.60

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Solution

The fourth proportional to 264,938.60, 396,371.10 and 171,626.60 is: 256,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,938.60 : 396,371.10 = 171,626.60 : x
  2. Step 2: Convert to fraction form
    264,938.60/396,371.10 = 171,626.60/x
  3. Step 3: Cross multiply
    264,938.60x = 396,371.10 × 171,626.60
  4. Step 4: Simplify right side
    264,938.60x = 68,027,824,231.26
  5. Step 5: Solve for x
    x = 68,027,824,231.26/264,938.60
  6. Step 6: Final answer
    x = 256,768.26

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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.