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Finding the Fourth Proportional to 445,342.50, 614,572.65 and 244,138.50

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Solution

The fourth proportional to 445,342.50, 614,572.65 and 244,138.50 is: 336,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,342.50 : 614,572.65 = 244,138.50 : x
  2. Step 2: Convert to fraction form
    445,342.50/614,572.65 = 244,138.50/x
  3. Step 3: Cross multiply
    445,342.50x = 614,572.65 × 244,138.50
  4. Step 4: Simplify right side
    445,342.50x = 150,040,844,912.03
  5. Step 5: Solve for x
    x = 150,040,844,912.03/445,342.50
  6. Step 6: Final answer
    x = 336,911.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.