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Finding the Fourth Proportional to 353,687.32, 530,536.48 and 196,912.24

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Solution

The fourth proportional to 353,687.32, 530,536.48 and 196,912.24 is: 295,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,687.32 : 530,536.48 = 196,912.24 : x
  2. Step 2: Convert to fraction form
    353,687.32/530,536.48 = 196,912.24/x
  3. Step 3: Cross multiply
    353,687.32x = 530,536.48 × 196,912.24
  4. Step 4: Simplify right side
    353,687.32x = 104,469,126,678.52
  5. Step 5: Solve for x
    x = 104,469,126,678.52/353,687.32
  6. Step 6: Final answer
    x = 295,371.42

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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.