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Finding the Fourth Proportional to 479,249.64, 718,664.44 and 179,519.88

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Solution

The fourth proportional to 479,249.64, 718,664.44 and 179,519.88 is: 269,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,249.64 : 718,664.44 = 179,519.88 : x
  2. Step 2: Convert to fraction form
    479,249.64/718,664.44 = 179,519.88/x
  3. Step 3: Cross multiply
    479,249.64x = 718,664.44 × 179,519.88
  4. Step 4: Simplify right side
    479,249.64x = 129,014,554,029.07
  5. Step 5: Solve for x
    x = 129,014,554,029.07/479,249.64
  6. Step 6: Final answer
    x = 269,201.15

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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.