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Finding the Fourth Proportional to 463,771.33, 639,859.17 and 259,794.70

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Solution

The fourth proportional to 463,771.33, 639,859.17 and 259,794.70 is: 358,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,771.33 : 639,859.17 = 259,794.70 : x
  2. Step 2: Convert to fraction form
    463,771.33/639,859.17 = 259,794.70/x
  3. Step 3: Cross multiply
    463,771.33x = 639,859.17 × 259,794.70
  4. Step 4: Simplify right side
    463,771.33x = 166,232,021,112.40
  5. Step 5: Solve for x
    x = 166,232,021,112.40/463,771.33
  6. Step 6: Final answer
    x = 358,435.31

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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.