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Finding the Fourth Proportional to 447,633.44, 617,736.48 and 246,429.44

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Solution

The fourth proportional to 447,633.44, 617,736.48 and 246,429.44 is: 340,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,633.44 : 617,736.48 = 246,429.44 : x
  2. Step 2: Convert to fraction form
    447,633.44/617,736.48 = 246,429.44/x
  3. Step 3: Cross multiply
    447,633.44x = 617,736.48 × 246,429.44
  4. Step 4: Simplify right side
    447,633.44x = 152,228,454,833.97
  5. Step 5: Solve for x
    x = 152,228,454,833.97/447,633.44
  6. Step 6: Final answer
    x = 340,073.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.