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Finding the Fourth Proportional to 488,906.33, 733,360.08 and 133,923.41

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Solution

The fourth proportional to 488,906.33, 733,360.08 and 133,923.41 is: 200,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,906.33 : 733,360.08 = 133,923.41 : x
  2. Step 2: Convert to fraction form
    488,906.33/733,360.08 = 133,923.41/x
  3. Step 3: Cross multiply
    488,906.33x = 733,360.08 × 133,923.41
  4. Step 4: Simplify right side
    488,906.33x = 98,214,082,671.47
  5. Step 5: Solve for x
    x = 98,214,082,671.47/488,906.33
  6. Step 6: Final answer
    x = 200,885.28

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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.