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Finding the Fourth Proportional to 308,287.37, 462,468.11 and 108,566.48

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Solution

The fourth proportional to 308,287.37, 462,468.11 and 108,566.48 is: 162,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,287.37 : 462,468.11 = 108,566.48 : x
  2. Step 2: Convert to fraction form
    308,287.37/462,468.11 = 108,566.48/x
  3. Step 3: Cross multiply
    308,287.37x = 462,468.11 × 108,566.48
  4. Step 4: Simplify right side
    308,287.37x = 50,208,531,959.78
  5. Step 5: Solve for x
    x = 50,208,531,959.78/308,287.37
  6. Step 6: Final answer
    x = 162,862.76

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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.