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Finding the Fourth Proportional to 366,922.05, 550,383.08 and 330,180.45

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Solution

The fourth proportional to 366,922.05, 550,383.08 and 330,180.45 is: 495,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,922.05 : 550,383.08 = 330,180.45 : x
  2. Step 2: Convert to fraction form
    366,922.05/550,383.08 = 330,180.45/x
  3. Step 3: Cross multiply
    366,922.05x = 550,383.08 × 330,180.45
  4. Step 4: Simplify right side
    366,922.05x = 181,725,731,375.88
  5. Step 5: Solve for x
    x = 181,725,731,375.88/366,922.05
  6. Step 6: Final answer
    x = 495,270.68

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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.