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Finding the Fourth Proportional to 543,874.89, 815,532.21 and 244,098.48

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Solution

The fourth proportional to 543,874.89, 815,532.21 and 244,098.48 is: 366,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,874.89 : 815,532.21 = 244,098.48 : x
  2. Step 2: Convert to fraction form
    543,874.89/815,532.21 = 244,098.48/x
  3. Step 3: Cross multiply
    543,874.89x = 815,532.21 × 244,098.48
  4. Step 4: Simplify right side
    543,874.89x = 199,070,172,852.04
  5. Step 5: Solve for x
    x = 199,070,172,852.04/543,874.89
  6. Step 6: Final answer
    x = 366,022.00

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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.