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Finding the Fourth Proportional to 544,110.20, 816,165.30 and 488,997.80

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Solution

The fourth proportional to 544,110.20, 816,165.30 and 488,997.80 is: 733,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,110.20 : 816,165.30 = 488,997.80 : x
  2. Step 2: Convert to fraction form
    544,110.20/816,165.30 = 488,997.80/x
  3. Step 3: Cross multiply
    544,110.20x = 816,165.30 × 488,997.80
  4. Step 4: Simplify right side
    544,110.20x = 399,103,036,136.34
  5. Step 5: Solve for x
    x = 399,103,036,136.34/544,110.20
  6. Step 6: Final answer
    x = 733,496.70

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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.