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Finding the Fourth Proportional to 536,208.38, 804,311.91 and 136,849.19

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Solution

The fourth proportional to 536,208.38, 804,311.91 and 136,849.19 is: 205,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,208.38 : 804,311.91 = 136,849.19 : x
  2. Step 2: Convert to fraction form
    536,208.38/804,311.91 = 136,849.19/x
  3. Step 3: Cross multiply
    536,208.38x = 804,311.91 × 136,849.19
  4. Step 4: Simplify right side
    536,208.38x = 110,069,433,390.85
  5. Step 5: Solve for x
    x = 110,069,433,390.85/536,208.38
  6. Step 6: Final answer
    x = 205,273.62

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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.