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Finding the Fourth Proportional to 298,044.48, 447,022.99 and 98,371.38

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Solution

The fourth proportional to 298,044.48, 447,022.99 and 98,371.38 is: 147,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,044.48 : 447,022.99 = 98,371.38 : x
  2. Step 2: Convert to fraction form
    298,044.48/447,022.99 = 98,371.38/x
  3. Step 3: Cross multiply
    298,044.48x = 447,022.99 × 98,371.38
  4. Step 4: Simplify right side
    298,044.48x = 43,974,269,663.99
  5. Step 5: Solve for x
    x = 43,974,269,663.99/298,044.48
  6. Step 6: Final answer
    x = 147,542.64

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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.