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Finding the Fourth Proportional to 308,238.44, 462,395.01 and 108,517.95

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Solution

The fourth proportional to 308,238.44, 462,395.01 and 108,517.95 is: 162,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,238.44 : 462,395.01 = 108,517.95 : x
  2. Step 2: Convert to fraction form
    308,238.44/462,395.01 = 108,517.95/x
  3. Step 3: Cross multiply
    308,238.44x = 462,395.01 × 108,517.95
  4. Step 4: Simplify right side
    308,238.44x = 50,178,158,575.43
  5. Step 5: Solve for x
    x = 50,178,158,575.43/308,238.44
  6. Step 6: Final answer
    x = 162,790.08

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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.