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Finding the Fourth Proportional to 262,910.84, 394,365.96 and 63,231.08

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Solution

The fourth proportional to 262,910.84, 394,365.96 and 63,231.08 is: 94,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,910.84 : 394,365.96 = 63,231.08 : x
  2. Step 2: Convert to fraction form
    262,910.84/394,365.96 = 63,231.08/x
  3. Step 3: Cross multiply
    262,910.84x = 394,365.96 × 63,231.08
  4. Step 4: Simplify right side
    262,910.84x = 24,936,185,566.04
  5. Step 5: Solve for x
    x = 24,936,185,566.04/262,910.84
  6. Step 6: Final answer
    x = 94,846.55

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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.