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Finding the Fourth Proportional to 363,563.68, 545,594.68 and 126,906.36

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Solution

The fourth proportional to 363,563.68, 545,594.68 and 126,906.36 is: 190,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,563.68 : 545,594.68 = 126,906.36 : x
  2. Step 2: Convert to fraction form
    363,563.68/545,594.68 = 126,906.36/x
  3. Step 3: Cross multiply
    363,563.68x = 545,594.68 × 126,906.36
  4. Step 4: Simplify right side
    363,563.68x = 69,239,434,874.16
  5. Step 5: Solve for x
    x = 69,239,434,874.16/363,563.68
  6. Step 6: Final answer
    x = 190,446.51

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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.