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Finding the Fourth Proportional to 536,553.10, 804,538.05 and 181,384.30

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Solution

The fourth proportional to 536,553.10, 804,538.05 and 181,384.30 is: 271,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,553.10 : 804,538.05 = 181,384.30 : x
  2. Step 2: Convert to fraction form
    536,553.10/804,538.05 = 181,384.30/x
  3. Step 3: Cross multiply
    536,553.10x = 804,538.05 × 181,384.30
  4. Step 4: Simplify right side
    536,553.10x = 145,930,571,022.62
  5. Step 5: Solve for x
    x = 145,930,571,022.62/536,553.10
  6. Step 6: Final answer
    x = 271,977.87

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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.