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Finding the Fourth Proportional to 479,443.82, 718,977.78 and 179,761.02

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Solution

The fourth proportional to 479,443.82, 718,977.78 and 179,761.02 is: 269,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,443.82 : 718,977.78 = 179,761.02 : x
  2. Step 2: Convert to fraction form
    479,443.82/718,977.78 = 179,761.02/x
  3. Step 3: Cross multiply
    479,443.82x = 718,977.78 × 179,761.02
  4. Step 4: Simplify right side
    479,443.82x = 129,244,179,090.14
  5. Step 5: Solve for x
    x = 129,244,179,090.14/479,443.82
  6. Step 6: Final answer
    x = 269,571.06

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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.