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Finding the Fourth Proportional to 264,505.30, 396,794.40 and 95,984.80

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Solution

The fourth proportional to 264,505.30, 396,794.40 and 95,984.80 is: 143,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,505.30 : 396,794.40 = 95,984.80 : x
  2. Step 2: Convert to fraction form
    264,505.30/396,794.40 = 95,984.80/x
  3. Step 3: Cross multiply
    264,505.30x = 396,794.40 × 95,984.80
  4. Step 4: Simplify right side
    264,505.30x = 38,086,231,125.12
  5. Step 5: Solve for x
    x = 38,086,231,125.12/264,505.30
  6. Step 6: Final answer
    x = 143,990.43

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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.