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Finding the Fourth Proportional to 482,872.43, 725,019.66 and 270,057.30

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Solution

The fourth proportional to 482,872.43, 725,019.66 and 270,057.30 is: 405,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,872.43 : 725,019.66 = 270,057.30 : x
  2. Step 2: Convert to fraction form
    482,872.43/725,019.66 = 270,057.30/x
  3. Step 3: Cross multiply
    482,872.43x = 725,019.66 × 270,057.30
  4. Step 4: Simplify right side
    482,872.43x = 195,796,851,826.52
  5. Step 5: Solve for x
    x = 195,796,851,826.52/482,872.43
  6. Step 6: Final answer
    x = 405,483.60

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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.