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Finding the Fourth Proportional to 644,872.68, 967,697.82 and 224,443.80

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Solution

The fourth proportional to 644,872.68, 967,697.82 and 224,443.80 is: 336,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,872.68 : 967,697.82 = 224,443.80 : x
  2. Step 2: Convert to fraction form
    644,872.68/967,697.82 = 224,443.80/x
  3. Step 3: Cross multiply
    644,872.68x = 967,697.82 × 224,443.80
  4. Step 4: Simplify right side
    644,872.68x = 217,193,775,972.52
  5. Step 5: Solve for x
    x = 217,193,775,972.52/644,872.68
  6. Step 6: Final answer
    x = 336,801.02

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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.