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Finding the Fourth Proportional to 264,505.63, 396,773.45 and 84,606.86

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Solution

The fourth proportional to 264,505.63, 396,773.45 and 84,606.86 is: 126,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,505.63 : 396,773.45 = 84,606.86 : x
  2. Step 2: Convert to fraction form
    264,505.63/396,773.45 = 84,606.86/x
  3. Step 3: Cross multiply
    264,505.63x = 396,773.45 × 84,606.86
  4. Step 4: Simplify right side
    264,505.63x = 33,569,755,735.87
  5. Step 5: Solve for x
    x = 33,569,755,735.87/264,505.63
  6. Step 6: Final answer
    x = 126,915.09

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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.