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Finding the Fourth Proportional to 422,080.70, 582,471.59 and 231,094.15

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Solution

The fourth proportional to 422,080.70, 582,471.59 and 231,094.15 is: 318,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,080.70 : 582,471.59 = 231,094.15 : x
  2. Step 2: Convert to fraction form
    422,080.70/582,471.59 = 231,094.15/x
  3. Step 3: Cross multiply
    422,080.70x = 582,471.59 × 231,094.15
  4. Step 4: Simplify right side
    422,080.70x = 134,605,774,378.55
  5. Step 5: Solve for x
    x = 134,605,774,378.55/422,080.70
  6. Step 6: Final answer
    x = 318,910.05

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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.