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Finding the Fourth Proportional to 298,269.68, 411,874.68 and 203,003.96

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Solution

The fourth proportional to 298,269.68, 411,874.68 and 203,003.96 is: 280,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,269.68 : 411,874.68 = 203,003.96 : x
  2. Step 2: Convert to fraction form
    298,269.68/411,874.68 = 203,003.96/x
  3. Step 3: Cross multiply
    298,269.68x = 411,874.68 × 203,003.96
  4. Step 4: Simplify right side
    298,269.68x = 83,612,191,063.73
  5. Step 5: Solve for x
    x = 83,612,191,063.73/298,269.68
  6. Step 6: Final answer
    x = 280,324.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.