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Finding the Fourth Proportional to 463,494.87, 639,570.06 and 259,517.43

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Solution

The fourth proportional to 463,494.87, 639,570.06 and 259,517.43 is: 358,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,494.87 : 639,570.06 = 259,517.43 : x
  2. Step 2: Convert to fraction form
    463,494.87/639,570.06 = 259,517.43/x
  3. Step 3: Cross multiply
    463,494.87x = 639,570.06 × 259,517.43
  4. Step 4: Simplify right side
    463,494.87x = 165,979,578,276.15
  5. Step 5: Solve for x
    x = 165,979,578,276.15/463,494.87
  6. Step 6: Final answer
    x = 358,104.46

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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.