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Finding the Fourth Proportional to 363,578.72, 545,392.99 and 123,594.96

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Solution

The fourth proportional to 363,578.72, 545,392.99 and 123,594.96 is: 185,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,578.72 : 545,392.99 = 123,594.96 : x
  2. Step 2: Convert to fraction form
    363,578.72/545,392.99 = 123,594.96/x
  3. Step 3: Cross multiply
    363,578.72x = 545,392.99 × 123,594.96
  4. Step 4: Simplify right side
    363,578.72x = 67,407,824,783.33
  5. Step 5: Solve for x
    x = 67,407,824,783.33/363,578.72
  6. Step 6: Final answer
    x = 185,400.91

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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.