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Finding the Fourth Proportional to 537,179.88, 805,861.62 and 221,464.20

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Solution

The fourth proportional to 537,179.88, 805,861.62 and 221,464.20 is: 332,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,179.88 : 805,861.62 = 221,464.20 : x
  2. Step 2: Convert to fraction form
    537,179.88/805,861.62 = 221,464.20/x
  3. Step 3: Cross multiply
    537,179.88x = 805,861.62 × 221,464.20
  4. Step 4: Simplify right side
    537,179.88x = 178,469,498,984.00
  5. Step 5: Solve for x
    x = 178,469,498,984.00/537,179.88
  6. Step 6: Final answer
    x = 332,234.15

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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.