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Finding the Fourth Proportional to 297,213.40, 445,820.10 and 195,736.60

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Solution

The fourth proportional to 297,213.40, 445,820.10 and 195,736.60 is: 293,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,213.40 : 445,820.10 = 195,736.60 : x
  2. Step 2: Convert to fraction form
    297,213.40/445,820.10 = 195,736.60/x
  3. Step 3: Cross multiply
    297,213.40x = 445,820.10 × 195,736.60
  4. Step 4: Simplify right side
    297,213.40x = 87,263,310,585.66
  5. Step 5: Solve for x
    x = 87,263,310,585.66/297,213.40
  6. Step 6: Final answer
    x = 293,604.90

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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.