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Finding the Fourth Proportional to 222,203.40, 334,082.70 and 217,537.80

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Solution

The fourth proportional to 222,203.40, 334,082.70 and 217,537.80 is: 327,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,203.40 : 334,082.70 = 217,537.80 : x
  2. Step 2: Convert to fraction form
    222,203.40/334,082.70 = 217,537.80/x
  3. Step 3: Cross multiply
    222,203.40x = 334,082.70 × 217,537.80
  4. Step 4: Simplify right side
    222,203.40x = 72,675,615,576.06
  5. Step 5: Solve for x
    x = 72,675,615,576.06/222,203.40
  6. Step 6: Final answer
    x = 327,067.97

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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.