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Finding the Fourth Proportional to 329,625.20, 494,437.80 and 92,964.80

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Solution

The fourth proportional to 329,625.20, 494,437.80 and 92,964.80 is: 139,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,625.20 : 494,437.80 = 92,964.80 : x
  2. Step 2: Convert to fraction form
    329,625.20/494,437.80 = 92,964.80/x
  3. Step 3: Cross multiply
    329,625.20x = 494,437.80 × 92,964.80
  4. Step 4: Simplify right side
    329,625.20x = 45,965,311,189.44
  5. Step 5: Solve for x
    x = 45,965,311,189.44/329,625.20
  6. Step 6: Final answer
    x = 139,447.20

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1.5x scale

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.