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Finding the Fourth Proportional to 222,748.70, 334,123.05 and 200,630.30

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Solution

The fourth proportional to 222,748.70, 334,123.05 and 200,630.30 is: 300,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,748.70 : 334,123.05 = 200,630.30 : x
  2. Step 2: Convert to fraction form
    222,748.70/334,123.05 = 200,630.30/x
  3. Step 3: Cross multiply
    222,748.70x = 334,123.05 × 200,630.30
  4. Step 4: Simplify right side
    222,748.70x = 67,035,207,758.42
  5. Step 5: Solve for x
    x = 67,035,207,758.42/222,748.70
  6. Step 6: Final answer
    x = 300,945.45

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Similar ratio
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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.