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Finding the Fourth Proportional to 298,502.60, 447,753.90 and 204,024.20

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Solution

The fourth proportional to 298,502.60, 447,753.90 and 204,024.20 is: 306,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,502.60 : 447,753.90 = 204,024.20 : x
  2. Step 2: Convert to fraction form
    298,502.60/447,753.90 = 204,024.20/x
  3. Step 3: Cross multiply
    298,502.60x = 447,753.90 × 204,024.20
  4. Step 4: Simplify right side
    298,502.60x = 91,352,631,244.38
  5. Step 5: Solve for x
    x = 91,352,631,244.38/298,502.60
  6. Step 6: Final answer
    x = 306,036.30

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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.