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Finding the Fourth Proportional to 544,857.20, 815,730.60 and 482,649.20

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Solution

The fourth proportional to 544,857.20, 815,730.60 and 482,649.20 is: 722,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,857.20 : 815,730.60 = 482,649.20 : x
  2. Step 2: Convert to fraction form
    544,857.20/815,730.60 = 482,649.20/x
  3. Step 3: Cross multiply
    544,857.20x = 815,730.60 × 482,649.20
  4. Step 4: Simplify right side
    544,857.20x = 393,711,721,505.52
  5. Step 5: Solve for x
    x = 393,711,721,505.52/544,857.20
  6. Step 6: Final answer
    x = 722,596.16

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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.