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Finding the Fourth Proportional to 264,650.59, 396,588.30 and 131,264.47

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Solution

The fourth proportional to 264,650.59, 396,588.30 and 131,264.47 is: 196,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,650.59 : 396,588.30 = 131,264.47 : x
  2. Step 2: Convert to fraction form
    264,650.59/396,588.30 = 131,264.47/x
  3. Step 3: Cross multiply
    264,650.59x = 396,588.30 × 131,264.47
  4. Step 4: Simplify right side
    264,650.59x = 52,057,953,007.70
  5. Step 5: Solve for x
    x = 52,057,953,007.70/264,650.59
  6. Step 6: Final answer
    x = 196,704.47

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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.