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Finding the Fourth Proportional to 327,883.04, 449,529.36 and 321,905.24

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Solution

The fourth proportional to 327,883.04, 449,529.36 and 321,905.24 is: 441,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,883.04 : 449,529.36 = 321,905.24 : x
  2. Step 2: Convert to fraction form
    327,883.04/449,529.36 = 321,905.24/x
  3. Step 3: Cross multiply
    327,883.04x = 449,529.36 × 321,905.24
  4. Step 4: Simplify right side
    327,883.04x = 144,705,856,517.85
  5. Step 5: Solve for x
    x = 144,705,856,517.85/327,883.04
  6. Step 6: Final answer
    x = 441,333.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.