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Finding the Fourth Proportional to 363,578.09, 545,392.05 and 123,594.34

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Solution

The fourth proportional to 363,578.09, 545,392.05 and 123,594.34 is: 185,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,578.09 : 545,392.05 = 123,594.34 : x
  2. Step 2: Convert to fraction form
    363,578.09/545,392.05 = 123,594.34/x
  3. Step 3: Cross multiply
    363,578.09x = 545,392.05 × 123,594.34
  4. Step 4: Simplify right side
    363,578.09x = 67,407,367,734.04
  5. Step 5: Solve for x
    x = 67,407,367,734.04/363,578.09
  6. Step 6: Final answer
    x = 185,399.97

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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.