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Finding the Fourth Proportional to 366,690.44, 550,193.71 and 198,329.29

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Solution

The fourth proportional to 366,690.44, 550,193.71 and 198,329.29 is: 297,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,690.44 : 550,193.71 = 198,329.29 : x
  2. Step 2: Convert to fraction form
    366,690.44/550,193.71 = 198,329.29/x
  3. Step 3: Cross multiply
    366,690.44x = 550,193.71 × 198,329.29
  4. Step 4: Simplify right side
    366,690.44x = 109,119,524,591.98
  5. Step 5: Solve for x
    x = 109,119,524,591.98/366,690.44
  6. Step 6: Final answer
    x = 297,579.41

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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.