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Finding the Fourth Proportional to 297,264.87, 445,789.71 and 126,497.97

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Solution

The fourth proportional to 297,264.87, 445,789.71 and 126,497.97 is: 189,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,264.87 : 445,789.71 = 126,497.97 : x
  2. Step 2: Convert to fraction form
    297,264.87/445,789.71 = 126,497.97/x
  3. Step 3: Cross multiply
    297,264.87x = 445,789.71 × 126,497.97
  4. Step 4: Simplify right side
    297,264.87x = 56,391,493,361.89
  5. Step 5: Solve for x
    x = 56,391,493,361.89/297,264.87
  6. Step 6: Final answer
    x = 189,701.17

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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.