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Finding the Fourth Proportional to 266,665.20, 399,997.80 and 224,674.80

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Solution

The fourth proportional to 266,665.20, 399,997.80 and 224,674.80 is: 337,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,665.20 : 399,997.80 = 224,674.80 : x
  2. Step 2: Convert to fraction form
    266,665.20/399,997.80 = 224,674.80/x
  3. Step 3: Cross multiply
    266,665.20x = 399,997.80 × 224,674.80
  4. Step 4: Simplify right side
    266,665.20x = 89,869,425,715.44
  5. Step 5: Solve for x
    x = 89,869,425,715.44/266,665.20
  6. Step 6: Final answer
    x = 337,012.20

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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.