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Finding the Fourth Proportional to 512,956.43, 769,450.26 and 175,992.36

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Solution

The fourth proportional to 512,956.43, 769,450.26 and 175,992.36 is: 263,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,956.43 : 769,450.26 = 175,992.36 : x
  2. Step 2: Convert to fraction form
    512,956.43/769,450.26 = 175,992.36/x
  3. Step 3: Cross multiply
    512,956.43x = 769,450.26 × 175,992.36
  4. Step 4: Simplify right side
    512,956.43x = 135,417,367,160.01
  5. Step 5: Solve for x
    x = 135,417,367,160.01/512,956.43
  6. Step 6: Final answer
    x = 263,993.90

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1.5x scale

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.