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Finding the Fourth Proportional to 330,891.71, 496,255.55 and 94,236.44

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Solution

The fourth proportional to 330,891.71, 496,255.55 and 94,236.44 is: 141,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,891.71 : 496,255.55 = 94,236.44 : x
  2. Step 2: Convert to fraction form
    330,891.71/496,255.55 = 94,236.44/x
  3. Step 3: Cross multiply
    330,891.71x = 496,255.55 × 94,236.44
  4. Step 4: Simplify right side
    330,891.71x = 46,765,353,409.78
  5. Step 5: Solve for x
    x = 46,765,353,409.78/330,891.71
  6. Step 6: Final answer
    x = 141,331.30

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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.