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Finding the Fourth Proportional to 543,876.90, 815,535.20 and 244,100.48

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Solution

The fourth proportional to 543,876.90, 815,535.20 and 244,100.48 is: 366,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,876.90 : 815,535.20 = 244,100.48 : x
  2. Step 2: Convert to fraction form
    543,876.90/815,535.20 = 244,100.48/x
  3. Step 3: Cross multiply
    543,876.90x = 815,535.20 × 244,100.48
  4. Step 4: Simplify right side
    543,876.90x = 199,072,533,776.90
  5. Step 5: Solve for x
    x = 199,072,533,776.90/543,876.90
  6. Step 6: Final answer
    x = 366,024.98

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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.