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Finding the Fourth Proportional to 481,207.80, 722,330.10 and 271,255.80

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Solution

The fourth proportional to 481,207.80, 722,330.10 and 271,255.80 is: 407,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,207.80 : 722,330.10 = 271,255.80 : x
  2. Step 2: Convert to fraction form
    481,207.80/722,330.10 = 271,255.80/x
  3. Step 3: Cross multiply
    481,207.80x = 722,330.10 × 271,255.80
  4. Step 4: Simplify right side
    481,207.80x = 195,936,229,139.58
  5. Step 5: Solve for x
    x = 195,936,229,139.58/481,207.80
  6. Step 6: Final answer
    x = 407,175.92

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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.