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Finding the Fourth Proportional to 222,767.70, 334,540.35 and 215,769.30

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Solution

The fourth proportional to 222,767.70, 334,540.35 and 215,769.30 is: 324,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,767.70 : 334,540.35 = 215,769.30 : x
  2. Step 2: Convert to fraction form
    222,767.70/334,540.35 = 215,769.30/x
  3. Step 3: Cross multiply
    222,767.70x = 334,540.35 × 215,769.30
  4. Step 4: Simplify right side
    222,767.70x = 72,183,537,141.26
  5. Step 5: Solve for x
    x = 72,183,537,141.26/222,767.70
  6. Step 6: Final answer
    x = 324,030.54

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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.