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Finding the Fourth Proportional to 363,336.75, 545,116.10 and 185,969.43

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Solution

The fourth proportional to 363,336.75, 545,116.10 and 185,969.43 is: 279,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,336.75 : 545,116.10 = 185,969.43 : x
  2. Step 2: Convert to fraction form
    363,336.75/545,116.10 = 185,969.43/x
  3. Step 3: Cross multiply
    363,336.75x = 545,116.10 × 185,969.43
  4. Step 4: Simplify right side
    363,336.75x = 101,374,929,470.98
  5. Step 5: Solve for x
    x = 101,374,929,470.98/363,336.75
  6. Step 6: Final answer
    x = 279,010.94

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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.