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Finding the Fourth Proportional to 479,116.80, 718,798.28 and 179,601.44

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Solution

The fourth proportional to 479,116.80, 718,798.28 and 179,601.44 is: 269,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,116.80 : 718,798.28 = 179,601.44 : x
  2. Step 2: Convert to fraction form
    479,116.80/718,798.28 = 179,601.44/x
  3. Step 3: Cross multiply
    479,116.80x = 718,798.28 × 179,601.44
  4. Step 4: Simplify right side
    479,116.80x = 129,097,206,157.52
  5. Step 5: Solve for x
    x = 129,097,206,157.52/479,116.80
  6. Step 6: Final answer
    x = 269,448.30

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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.