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Finding the Fourth Proportional to 298,666.08, 447,773.88 and 180,309.30

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Solution

The fourth proportional to 298,666.08, 447,773.88 and 180,309.30 is: 270,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,666.08 : 447,773.88 = 180,309.30 : x
  2. Step 2: Convert to fraction form
    298,666.08/447,773.88 = 180,309.30/x
  3. Step 3: Cross multiply
    298,666.08x = 447,773.88 × 180,309.30
  4. Step 4: Simplify right side
    298,666.08x = 80,737,794,861.08
  5. Step 5: Solve for x
    x = 80,737,794,861.08/298,666.08
  6. Step 6: Final answer
    x = 270,327.97

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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.