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Finding the Fourth Proportional to 367,403.49, 550,591.83 and 198,559.80

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Solution

The fourth proportional to 367,403.49, 550,591.83 and 198,559.80 is: 297,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,403.49 : 550,591.83 = 198,559.80 : x
  2. Step 2: Convert to fraction form
    367,403.49/550,591.83 = 198,559.80/x
  3. Step 3: Cross multiply
    367,403.49x = 550,591.83 × 198,559.80
  4. Step 4: Simplify right side
    367,403.49x = 109,325,403,646.43
  5. Step 5: Solve for x
    x = 109,325,403,646.43/367,403.49
  6. Step 6: Final answer
    x = 297,562.24

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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.