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Finding the Fourth Proportional to 543,887.46, 815,550.80 and 244,111.05

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Solution

The fourth proportional to 543,887.46, 815,550.80 and 244,111.05 is: 366,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,887.46 : 815,550.80 = 244,111.05 : x
  2. Step 2: Convert to fraction form
    543,887.46/815,550.80 = 244,111.05/x
  3. Step 3: Cross multiply
    543,887.46x = 815,550.80 × 244,111.05
  4. Step 4: Simplify right side
    543,887.46x = 199,084,960,895.79
  5. Step 5: Solve for x
    x = 199,084,960,895.79/543,887.46
  6. Step 6: Final answer
    x = 366,040.73

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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.