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Finding the Fourth Proportional to 363,940.56, 545,245.83 and 263,852.64

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Solution

The fourth proportional to 363,940.56, 545,245.83 and 263,852.64 is: 395,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,940.56 : 545,245.83 = 263,852.64 : x
  2. Step 2: Convert to fraction form
    363,940.56/545,245.83 = 263,852.64/x
  3. Step 3: Cross multiply
    363,940.56x = 545,245.83 × 263,852.64
  4. Step 4: Simplify right side
    363,940.56x = 143,864,551,694.49
  5. Step 5: Solve for x
    x = 143,864,551,694.49/363,940.56
  6. Step 6: Final answer
    x = 395,296.84

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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.