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Finding the Fourth Proportional to 222,301.20, 333,451.80 and 203,930.40

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Solution

The fourth proportional to 222,301.20, 333,451.80 and 203,930.40 is: 305,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,301.20 : 333,451.80 = 203,930.40 : x
  2. Step 2: Convert to fraction form
    222,301.20/333,451.80 = 203,930.40/x
  3. Step 3: Cross multiply
    222,301.20x = 333,451.80 × 203,930.40
  4. Step 4: Simplify right side
    222,301.20x = 68,000,958,954.72
  5. Step 5: Solve for x
    x = 68,000,958,954.72/222,301.20
  6. Step 6: Final answer
    x = 305,895.60

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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.