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Finding the Fourth Proportional to 551,960.20, 827,940.30 and 363,003.40

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Solution

The fourth proportional to 551,960.20, 827,940.30 and 363,003.40 is: 544,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,960.20 : 827,940.30 = 363,003.40 : x
  2. Step 2: Convert to fraction form
    551,960.20/827,940.30 = 363,003.40/x
  3. Step 3: Cross multiply
    551,960.20x = 827,940.30 × 363,003.40
  4. Step 4: Simplify right side
    551,960.20x = 300,545,143,897.02
  5. Step 5: Solve for x
    x = 300,545,143,897.02/551,960.20
  6. Step 6: Final answer
    x = 544,505.10

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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.