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Finding the Fourth Proportional to 308,662.25, 462,654.70 and 158,910.53

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Solution

The fourth proportional to 308,662.25, 462,654.70 and 158,910.53 is: 238,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,662.25 : 462,654.70 = 158,910.53 : x
  2. Step 2: Convert to fraction form
    308,662.25/462,654.70 = 158,910.53/x
  3. Step 3: Cross multiply
    308,662.25x = 462,654.70 × 158,910.53
  4. Step 4: Simplify right side
    308,662.25x = 73,520,704,343.35
  5. Step 5: Solve for x
    x = 73,520,704,343.35/308,662.25
  6. Step 6: Final answer
    x = 238,191.43

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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.