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Finding the Fourth Proportional to 297,266.87, 445,792.71 and 126,499.97

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Solution

The fourth proportional to 297,266.87, 445,792.71 and 126,499.97 is: 189,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,266.87 : 445,792.71 = 126,499.97 : x
  2. Step 2: Convert to fraction form
    297,266.87/445,792.71 = 126,499.97/x
  3. Step 3: Cross multiply
    297,266.87x = 445,792.71 × 126,499.97
  4. Step 4: Simplify right side
    297,266.87x = 56,392,764,441.22
  5. Step 5: Solve for x
    x = 56,392,764,441.22/297,266.87
  6. Step 6: Final answer
    x = 189,704.17

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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.