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Finding the Fourth Proportional to 231,761.70, 325,399.50 and 231,761.70

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Solution

The fourth proportional to 231,761.70, 325,399.50 and 231,761.70 is: 325,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,761.70 : 325,399.50 = 231,761.70 : x
  2. Step 2: Convert to fraction form
    231,761.70/325,399.50 = 231,761.70/x
  3. Step 3: Cross multiply
    231,761.70x = 325,399.50 × 231,761.70
  4. Step 4: Simplify right side
    231,761.70x = 75,415,141,299.15
  5. Step 5: Solve for x
    x = 75,415,141,299.15/231,761.70
  6. Step 6: Final answer
    x = 325,399.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.