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Finding the Fourth Proportional to 454,238.44, 680,840.96 and 276,353.32

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Solution

The fourth proportional to 454,238.44, 680,840.96 and 276,353.32 is: 414,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,238.44 : 680,840.96 = 276,353.32 : x
  2. Step 2: Convert to fraction form
    454,238.44/680,840.96 = 276,353.32/x
  3. Step 3: Cross multiply
    454,238.44x = 680,840.96 × 276,353.32
  4. Step 4: Simplify right side
    454,238.44x = 188,152,659,687.99
  5. Step 5: Solve for x
    x = 188,152,659,687.99/454,238.44
  6. Step 6: Final answer
    x = 414,215.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.