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Finding the Fourth Proportional to 422,166.15, 582,592.73 and 250,093.90

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Solution

The fourth proportional to 422,166.15, 582,592.73 and 250,093.90 is: 345,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,166.15 : 582,592.73 = 250,093.90 : x
  2. Step 2: Convert to fraction form
    422,166.15/582,592.73 = 250,093.90/x
  3. Step 3: Cross multiply
    422,166.15x = 582,592.73 × 250,093.90
  4. Step 4: Simplify right side
    422,166.15x = 145,702,887,435.12
  5. Step 5: Solve for x
    x = 145,702,887,435.12/422,166.15
  6. Step 6: Final answer
    x = 345,131.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.