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Finding the Fourth Proportional to 422,004.68, 582,314.82 and 336,182.28

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Solution

The fourth proportional to 422,004.68, 582,314.82 and 336,182.28 is: 463,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,004.68 : 582,314.82 = 336,182.28 : x
  2. Step 2: Convert to fraction form
    422,004.68/582,314.82 = 336,182.28/x
  3. Step 3: Cross multiply
    422,004.68x = 582,314.82 × 336,182.28
  4. Step 4: Simplify right side
    422,004.68x = 195,763,923,865.39
  5. Step 5: Solve for x
    x = 195,763,923,865.39/422,004.68
  6. Step 6: Final answer
    x = 463,890.41

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1.5x scale

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.