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Finding the Fourth Proportional to 226,491.60, 339,737.40 and 201,997.20

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Solution

The fourth proportional to 226,491.60, 339,737.40 and 201,997.20 is: 302,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,491.60 : 339,737.40 = 201,997.20 : x
  2. Step 2: Convert to fraction form
    226,491.60/339,737.40 = 201,997.20/x
  3. Step 3: Cross multiply
    226,491.60x = 339,737.40 × 201,997.20
  4. Step 4: Simplify right side
    226,491.60x = 68,626,003,535.28
  5. Step 5: Solve for x
    x = 68,626,003,535.28/226,491.60
  6. Step 6: Final answer
    x = 302,995.80

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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.