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Finding the Fourth Proportional to 479,427.36, 718,954.16 and 179,744.44

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Solution

The fourth proportional to 479,427.36, 718,954.16 and 179,744.44 is: 269,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,427.36 : 718,954.16 = 179,744.44 : x
  2. Step 2: Convert to fraction form
    479,427.36/718,954.16 = 179,744.44/x
  3. Step 3: Cross multiply
    479,427.36x = 718,954.16 × 179,744.44
  4. Step 4: Simplify right side
    479,427.36x = 129,228,012,874.87
  5. Step 5: Solve for x
    x = 129,228,012,874.87/479,427.36
  6. Step 6: Final answer
    x = 269,546.60

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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.