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Finding the Fourth Proportional to 366,793.04, 550,347.95 and 198,431.97

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Solution

The fourth proportional to 366,793.04, 550,347.95 and 198,431.97 is: 297,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,793.04 : 550,347.95 = 198,431.97 : x
  2. Step 2: Convert to fraction form
    366,793.04/550,347.95 = 198,431.97/x
  3. Step 3: Cross multiply
    366,793.04x = 550,347.95 × 198,431.97
  4. Step 4: Simplify right side
    366,793.04x = 109,206,628,400.04
  5. Step 5: Solve for x
    x = 109,206,628,400.04/366,793.04
  6. Step 6: Final answer
    x = 297,733.65

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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.