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Finding the Fourth Proportional to 308,486.73, 462,799.27 and 108,808.77

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Solution

The fourth proportional to 308,486.73, 462,799.27 and 108,808.77 is: 163,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,486.73 : 462,799.27 = 108,808.77 : x
  2. Step 2: Convert to fraction form
    308,486.73/462,799.27 = 108,808.77/x
  3. Step 3: Cross multiply
    308,486.73x = 462,799.27 × 108,808.77
  4. Step 4: Simplify right side
    308,486.73x = 50,356,618,593.86
  5. Step 5: Solve for x
    x = 50,356,618,593.86/308,486.73
  6. Step 6: Final answer
    x = 163,237.55

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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.