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Finding the Fourth Proportional to 297,136.80, 445,100.40 and 184,471.20

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Solution

The fourth proportional to 297,136.80, 445,100.40 and 184,471.20 is: 276,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,136.80 : 445,100.40 = 184,471.20 : x
  2. Step 2: Convert to fraction form
    297,136.80/445,100.40 = 184,471.20/x
  3. Step 3: Cross multiply
    297,136.80x = 445,100.40 × 184,471.20
  4. Step 4: Simplify right side
    297,136.80x = 82,108,204,908.48
  5. Step 5: Solve for x
    x = 82,108,204,908.48/297,136.80
  6. Step 6: Final answer
    x = 276,331.32

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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.