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Finding the Fourth Proportional to 367,997.63, 551,996.45 and 118,679.63

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Solution

The fourth proportional to 367,997.63, 551,996.45 and 118,679.63 is: 178,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,997.63 : 551,996.45 = 118,679.63 : x
  2. Step 2: Convert to fraction form
    367,997.63/551,996.45 = 118,679.63/x
  3. Step 3: Cross multiply
    367,997.63x = 551,996.45 × 118,679.63
  4. Step 4: Simplify right side
    367,997.63x = 65,510,731,093.93
  5. Step 5: Solve for x
    x = 65,510,731,093.93/367,997.63
  6. Step 6: Final answer
    x = 178,019.44

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Similar ratio
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1.5x scale

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.