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Finding the Fourth Proportional to 264,476.64, 396,496.27 and 131,449.64

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Solution

The fourth proportional to 264,476.64, 396,496.27 and 131,449.64 is: 197,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,476.64 : 396,496.27 = 131,449.64 : x
  2. Step 2: Convert to fraction form
    264,476.64/396,496.27 = 131,449.64/x
  3. Step 3: Cross multiply
    264,476.64x = 396,496.27 × 131,449.64
  4. Step 4: Simplify right side
    264,476.64x = 52,119,289,395.27
  5. Step 5: Solve for x
    x = 52,119,289,395.27/264,476.64
  6. Step 6: Final answer
    x = 197,065.75

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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.