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Finding the Fourth Proportional to 479,430.53, 718,958.75 and 179,747.54

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Solution

The fourth proportional to 479,430.53, 718,958.75 and 179,747.54 is: 269,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,430.53 : 718,958.75 = 179,747.54 : x
  2. Step 2: Convert to fraction form
    479,430.53/718,958.75 = 179,747.54/x
  3. Step 3: Cross multiply
    479,430.53x = 718,958.75 × 179,747.54
  4. Step 4: Simplify right side
    479,430.53x = 129,231,062,180.44
  5. Step 5: Solve for x
    x = 129,231,062,180.44/479,430.53
  6. Step 6: Final answer
    x = 269,551.18

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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.