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Finding the Fourth Proportional to 367,997.64, 551,996.46 and 118,679.64

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Solution

The fourth proportional to 367,997.64, 551,996.46 and 118,679.64 is: 178,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,997.64 : 551,996.46 = 118,679.64 : x
  2. Step 2: Convert to fraction form
    367,997.64/551,996.46 = 118,679.64/x
  3. Step 3: Cross multiply
    367,997.64x = 551,996.46 × 118,679.64
  4. Step 4: Simplify right side
    367,997.64x = 65,510,741,154.07
  5. Step 5: Solve for x
    x = 65,510,741,154.07/367,997.64
  6. Step 6: Final answer
    x = 178,019.46

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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.