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Finding the Fourth Proportional to 354,995.21, 532,098.41 and 270,476.73

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Solution

The fourth proportional to 354,995.21, 532,098.41 and 270,476.73 is: 405,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,995.21 : 532,098.41 = 270,476.73 : x
  2. Step 2: Convert to fraction form
    354,995.21/532,098.41 = 270,476.73/x
  3. Step 3: Cross multiply
    354,995.21x = 532,098.41 × 270,476.73
  4. Step 4: Simplify right side
    354,995.21x = 143,920,236,622.62
  5. Step 5: Solve for x
    x = 143,920,236,622.62/354,995.21
  6. Step 6: Final answer
    x = 405,414.58

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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.