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Finding the Fourth Proportional to 481,037.46, 721,805.19 and 349,007.46

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Solution

The fourth proportional to 481,037.46, 721,805.19 and 349,007.46 is: 523,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,037.46 : 721,805.19 = 349,007.46 : x
  2. Step 2: Convert to fraction form
    481,037.46/721,805.19 = 349,007.46/x
  3. Step 3: Cross multiply
    481,037.46x = 721,805.19 × 349,007.46
  4. Step 4: Simplify right side
    481,037.46x = 251,915,395,976.72
  5. Step 5: Solve for x
    x = 251,915,395,976.72/481,037.46
  6. Step 6: Final answer
    x = 523,691.85

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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.