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Finding the Fourth Proportional to 308,262.72, 462,391.92 and 158,544.76

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Solution

The fourth proportional to 308,262.72, 462,391.92 and 158,544.76 is: 237,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,262.72 : 462,391.92 = 158,544.76 : x
  2. Step 2: Convert to fraction form
    308,262.72/462,391.92 = 158,544.76/x
  3. Step 3: Cross multiply
    308,262.72x = 462,391.92 × 158,544.76
  4. Step 4: Simplify right side
    308,262.72x = 73,309,815,982.34
  5. Step 5: Solve for x
    x = 73,309,815,982.34/308,262.72
  6. Step 6: Final answer
    x = 237,816.03

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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.