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Finding the Fourth Proportional to 481,805.69, 722,462.45 and 178,184.48

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Solution

The fourth proportional to 481,805.69, 722,462.45 and 178,184.48 is: 267,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,805.69 : 722,462.45 = 178,184.48 : x
  2. Step 2: Convert to fraction form
    481,805.69/722,462.45 = 178,184.48/x
  3. Step 3: Cross multiply
    481,805.69x = 722,462.45 × 178,184.48
  4. Step 4: Simplify right side
    481,805.69x = 128,731,591,469.54
  5. Step 5: Solve for x
    x = 128,731,591,469.54/481,805.69
  6. Step 6: Final answer
    x = 267,185.70

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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.