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Finding the Fourth Proportional to 329,388.46, 493,961.67 and 113,185.88

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Solution

The fourth proportional to 329,388.46, 493,961.67 and 113,185.88 is: 169,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,388.46 : 493,961.67 = 113,185.88 : x
  2. Step 2: Convert to fraction form
    329,388.46/493,961.67 = 113,185.88/x
  3. Step 3: Cross multiply
    329,388.46x = 493,961.67 × 113,185.88
  4. Step 4: Simplify right side
    329,388.46x = 55,909,486,305.22
  5. Step 5: Solve for x
    x = 55,909,486,305.22/329,388.46
  6. Step 6: Final answer
    x = 169,737.23

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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.