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Finding the Fourth Proportional to 223,853.20, 335,561.10 and 200,233.60

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Solution

The fourth proportional to 223,853.20, 335,561.10 and 200,233.60 is: 300,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,853.20 : 335,561.10 = 200,233.60 : x
  2. Step 2: Convert to fraction form
    223,853.20/335,561.10 = 200,233.60/x
  3. Step 3: Cross multiply
    223,853.20x = 335,561.10 × 200,233.60
  4. Step 4: Simplify right side
    223,853.20x = 67,190,607,072.96
  5. Step 5: Solve for x
    x = 67,190,607,072.96/223,853.20
  6. Step 6: Final answer
    x = 300,154.78

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1.5x scale

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.