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Finding the Fourth Proportional to 308,997.99, 463,704.75 and 109,317.60

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Solution

The fourth proportional to 308,997.99, 463,704.75 and 109,317.60 is: 164,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,997.99 : 463,704.75 = 109,317.60 : x
  2. Step 2: Convert to fraction form
    308,997.99/463,704.75 = 109,317.60/x
  3. Step 3: Cross multiply
    308,997.99x = 463,704.75 × 109,317.60
  4. Step 4: Simplify right side
    308,997.99x = 50,691,090,378.60
  5. Step 5: Solve for x
    x = 50,691,090,378.60/308,997.99
  6. Step 6: Final answer
    x = 164,049.90

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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.