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Finding the Fourth Proportional to 451,282.56, 676,942.56 and 372,249.60

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Solution

The fourth proportional to 451,282.56, 676,942.56 and 372,249.60 is: 558,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,282.56 : 676,942.56 = 372,249.60 : x
  2. Step 2: Convert to fraction form
    451,282.56/676,942.56 = 372,249.60/x
  3. Step 3: Cross multiply
    451,282.56x = 676,942.56 × 372,249.60
  4. Step 4: Simplify right side
    451,282.56x = 251,991,597,182.98
  5. Step 5: Solve for x
    x = 251,991,597,182.98/451,282.56
  6. Step 6: Final answer
    x = 558,389.84

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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.