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Finding the Fourth Proportional to 445,839.41, 668,751.36 and 179,593.11

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Solution

The fourth proportional to 445,839.41, 668,751.36 and 179,593.11 is: 269,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,839.41 : 668,751.36 = 179,593.11 : x
  2. Step 2: Convert to fraction form
    445,839.41/668,751.36 = 179,593.11/x
  3. Step 3: Cross multiply
    445,839.41x = 668,751.36 × 179,593.11
  4. Step 4: Simplify right side
    445,839.41x = 120,103,136,559.13
  5. Step 5: Solve for x
    x = 120,103,136,559.13/445,839.41
  6. Step 6: Final answer
    x = 269,386.54

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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.