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Finding the Fourth Proportional to 463,448.82, 639,410.67 and 259,469.70

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Solution

The fourth proportional to 463,448.82, 639,410.67 and 259,469.70 is: 357,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,448.82 : 639,410.67 = 259,469.70 : x
  2. Step 2: Convert to fraction form
    463,448.82/639,410.67 = 259,469.70/x
  3. Step 3: Cross multiply
    463,448.82x = 639,410.67 × 259,469.70
  4. Step 4: Simplify right side
    463,448.82x = 165,907,694,721.70
  5. Step 5: Solve for x
    x = 165,907,694,721.70/463,448.82
  6. Step 6: Final answer
    x = 357,984.93

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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.