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Finding the Fourth Proportional to 544,375.50, 751,238.22 and 305,911.50

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Solution

The fourth proportional to 544,375.50, 751,238.22 and 305,911.50 is: 422,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,375.50 : 751,238.22 = 305,911.50 : x
  2. Step 2: Convert to fraction form
    544,375.50/751,238.22 = 305,911.50/x
  3. Step 3: Cross multiply
    544,375.50x = 751,238.22 × 305,911.50
  4. Step 4: Simplify right side
    544,375.50x = 229,812,410,737.53
  5. Step 5: Solve for x
    x = 229,812,410,737.53/544,375.50
  6. Step 6: Final answer
    x = 422,157.89

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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.