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Finding the Fourth Proportional to 366,910.55, 550,365.83 and 330,168.95

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Solution

The fourth proportional to 366,910.55, 550,365.83 and 330,168.95 is: 495,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.55 : 550,365.83 = 330,168.95 : x
  2. Step 2: Convert to fraction form
    366,910.55/550,365.83 = 330,168.95/x
  3. Step 3: Cross multiply
    366,910.55x = 550,365.83 × 330,168.95
  4. Step 4: Simplify right side
    366,910.55x = 181,713,708,206.98
  5. Step 5: Solve for x
    x = 181,713,708,206.98/366,910.55
  6. Step 6: Final answer
    x = 495,253.43

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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.