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Finding the Fourth Proportional to 639,040.44, 958,652.82 and 195,843

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Solution

The fourth proportional to 639,040.44, 958,652.82 and 195,843 is: 293,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,040.44 : 958,652.82 = 195,843 : x
  2. Step 2: Convert to fraction form
    639,040.44/958,652.82 = 195,843/x
  3. Step 3: Cross multiply
    639,040.44x = 958,652.82 × 195,843
  4. Step 4: Simplify right side
    639,040.44x = 187,745,444,227.26
  5. Step 5: Solve for x
    x = 187,745,444,227.26/639,040.44
  6. Step 6: Final answer
    x = 293,792.74

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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.