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Finding the Fourth Proportional to 479,396.58, 718,908.06 and 179,713.69

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Solution

The fourth proportional to 479,396.58, 718,908.06 and 179,713.69 is: 269,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,396.58 : 718,908.06 = 179,713.69 : x
  2. Step 2: Convert to fraction form
    479,396.58/718,908.06 = 179,713.69/x
  3. Step 3: Cross multiply
    479,396.58x = 718,908.06 × 179,713.69
  4. Step 4: Simplify right side
    479,396.58x = 129,197,618,099.11
  5. Step 5: Solve for x
    x = 129,197,618,099.11/479,396.58
  6. Step 6: Final answer
    x = 269,500.50

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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.