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Finding the Fourth Proportional to 481,024.64, 663,768.79 and 325,659.88

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Solution

The fourth proportional to 481,024.64, 663,768.79 and 325,659.88 is: 449,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,024.64 : 663,768.79 = 325,659.88 : x
  2. Step 2: Convert to fraction form
    481,024.64/663,768.79 = 325,659.88/x
  3. Step 3: Cross multiply
    481,024.64x = 663,768.79 × 325,659.88
  4. Step 4: Simplify right side
    481,024.64x = 216,162,864,499.15
  5. Step 5: Solve for x
    x = 216,162,864,499.15/481,024.64
  6. Step 6: Final answer
    x = 449,380.02

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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.