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Finding the Fourth Proportional to 422,367.38, 582,866.98 and 252,601.50

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Solution

The fourth proportional to 422,367.38, 582,866.98 and 252,601.50 is: 348,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,367.38 : 582,866.98 = 252,601.50 : x
  2. Step 2: Convert to fraction form
    422,367.38/582,866.98 = 252,601.50/x
  3. Step 3: Cross multiply
    422,367.38x = 582,866.98 × 252,601.50
  4. Step 4: Simplify right side
    422,367.38x = 147,233,073,448.47
  5. Step 5: Solve for x
    x = 147,233,073,448.47/422,367.38
  6. Step 6: Final answer
    x = 348,590.07

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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.