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Finding the Fourth Proportional to 536,479.20, 804,481.20 and 181,396.80

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Solution

The fourth proportional to 536,479.20, 804,481.20 and 181,396.80 is: 272,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,479.20 : 804,481.20 = 181,396.80 : x
  2. Step 2: Convert to fraction form
    536,479.20/804,481.20 = 181,396.80/x
  3. Step 3: Cross multiply
    536,479.20x = 804,481.20 × 181,396.80
  4. Step 4: Simplify right side
    536,479.20x = 145,930,315,340.16
  5. Step 5: Solve for x
    x = 145,930,315,340.16/536,479.20
  6. Step 6: Final answer
    x = 272,014.86

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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.