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Finding the Fourth Proportional to 308,614.08, 462,958.38 and 108,893.46

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Solution

The fourth proportional to 308,614.08, 462,958.38 and 108,893.46 is: 163,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,614.08 : 462,958.38 = 108,893.46 : x
  2. Step 2: Convert to fraction form
    308,614.08/462,958.38 = 108,893.46/x
  3. Step 3: Cross multiply
    308,614.08x = 462,958.38 × 108,893.46
  4. Step 4: Simplify right side
    308,614.08x = 50,413,139,834.19
  5. Step 5: Solve for x
    x = 50,413,139,834.19/308,614.08
  6. Step 6: Final answer
    x = 163,353.34

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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.