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Finding the Fourth Proportional to 231,972.20, 325,694.20 and 231,972.20

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Solution

The fourth proportional to 231,972.20, 325,694.20 and 231,972.20 is: 325,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,972.20 : 325,694.20 = 231,972.20 : x
  2. Step 2: Convert to fraction form
    231,972.20/325,694.20 = 231,972.20/x
  3. Step 3: Cross multiply
    231,972.20x = 325,694.20 × 231,972.20
  4. Step 4: Simplify right side
    231,972.20x = 75,552,000,101.24
  5. Step 5: Solve for x
    x = 75,552,000,101.24/231,972.20
  6. Step 6: Final answer
    x = 325,694.20

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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.