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Finding the Fourth Proportional to 366,971.80, 550,166.10 and 200,759.80

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Solution

The fourth proportional to 366,971.80, 550,166.10 and 200,759.80 is: 300,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.80 : 550,166.10 = 200,759.80 : x
  2. Step 2: Convert to fraction form
    366,971.80/550,166.10 = 200,759.80/x
  3. Step 3: Cross multiply
    366,971.80x = 550,166.10 × 200,759.80
  4. Step 4: Simplify right side
    366,971.80x = 110,451,236,202.78
  5. Step 5: Solve for x
    x = 110,451,236,202.78/366,971.80
  6. Step 6: Final answer
    x = 300,980.17

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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.