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Finding the Fourth Proportional to 368,083.04, 551,096.06 and 198,997.56

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Solution

The fourth proportional to 368,083.04, 551,096.06 and 198,997.56 is: 297,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,083.04 : 551,096.06 = 198,997.56 : x
  2. Step 2: Convert to fraction form
    368,083.04/551,096.06 = 198,997.56/x
  3. Step 3: Cross multiply
    368,083.04x = 551,096.06 × 198,997.56
  4. Step 4: Simplify right side
    368,083.04x = 109,666,770,270.63
  5. Step 5: Solve for x
    x = 109,666,770,270.63/368,083.04
  6. Step 6: Final answer
    x = 297,940.30

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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.