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Finding the Fourth Proportional to 543,861.02, 815,511.39 and 244,084.61

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Solution

The fourth proportional to 543,861.02, 815,511.39 and 244,084.61 is: 366,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,861.02 : 815,511.39 = 244,084.61 : x
  2. Step 2: Convert to fraction form
    543,861.02/815,511.39 = 244,084.61/x
  3. Step 3: Cross multiply
    543,861.02x = 815,511.39 × 244,084.61
  4. Step 4: Simplify right side
    543,861.02x = 199,053,775,501.15
  5. Step 5: Solve for x
    x = 199,053,775,501.15/543,861.02
  6. Step 6: Final answer
    x = 366,001.18

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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.