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Finding the Fourth Proportional to 366,965.80, 550,157.10 and 200,753.80

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Solution

The fourth proportional to 366,965.80, 550,157.10 and 200,753.80 is: 300,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.80 : 550,157.10 = 200,753.80 : x
  2. Step 2: Convert to fraction form
    366,965.80/550,157.10 = 200,753.80/x
  3. Step 3: Cross multiply
    366,965.80x = 550,157.10 × 200,753.80
  4. Step 4: Simplify right side
    366,965.80x = 110,446,128,421.98
  5. Step 5: Solve for x
    x = 110,446,128,421.98/366,965.80
  6. Step 6: Final answer
    x = 300,971.18

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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.