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Finding the Fourth Proportional to 266,722.20, 400,083.30 and 224,731.80

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Solution

The fourth proportional to 266,722.20, 400,083.30 and 224,731.80 is: 337,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,722.20 : 400,083.30 = 224,731.80 : x
  2. Step 2: Convert to fraction form
    266,722.20/400,083.30 = 224,731.80/x
  3. Step 3: Cross multiply
    266,722.20x = 400,083.30 × 224,731.80
  4. Step 4: Simplify right side
    266,722.20x = 89,911,440,158.94
  5. Step 5: Solve for x
    x = 89,911,440,158.94/266,722.20
  6. Step 6: Final answer
    x = 337,097.70

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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.