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Finding the Fourth Proportional to 330,185.46, 494,998.44 and 130,646.62

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Solution

The fourth proportional to 330,185.46, 494,998.44 and 130,646.62 is: 195,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,185.46 : 494,998.44 = 130,646.62 : x
  2. Step 2: Convert to fraction form
    330,185.46/494,998.44 = 130,646.62/x
  3. Step 3: Cross multiply
    330,185.46x = 494,998.44 × 130,646.62
  4. Step 4: Simplify right side
    330,185.46x = 64,669,873,954.98
  5. Step 5: Solve for x
    x = 64,669,873,954.98/330,185.46
  6. Step 6: Final answer
    x = 195,859.24

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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.