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Finding the Fourth Proportional to 308,926.70, 462,553.75 and 218,598.14

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Solution

The fourth proportional to 308,926.70, 462,553.75 and 218,598.14 is: 327,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,926.70 : 462,553.75 = 218,598.14 : x
  2. Step 2: Convert to fraction form
    308,926.70/462,553.75 = 218,598.14/x
  3. Step 3: Cross multiply
    308,926.70x = 462,553.75 × 218,598.14
  4. Step 4: Simplify right side
    308,926.70x = 101,113,385,994.27
  5. Step 5: Solve for x
    x = 101,113,385,994.27/308,926.70
  6. Step 6: Final answer
    x = 327,305.43

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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.