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Finding the Fourth Proportional to 308,230.43, 462,383.00 and 108,509.94

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Solution

The fourth proportional to 308,230.43, 462,383.00 and 108,509.94 is: 162,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,230.43 : 462,383.00 = 108,509.94 : x
  2. Step 2: Convert to fraction form
    308,230.43/462,383.00 = 108,509.94/x
  3. Step 3: Cross multiply
    308,230.43x = 462,383.00 × 108,509.94
  4. Step 4: Simplify right side
    308,230.43x = 50,173,153,014.25
  5. Step 5: Solve for x
    x = 50,173,153,014.25/308,230.43
  6. Step 6: Final answer
    x = 162,778.07

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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.