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Finding the Fourth Proportional to 2,351.99, 3,528.01 and 620.62

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Solution

The fourth proportional to 2,351.99, 3,528.01 and 620.62 is: 930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.99 : 3,528.01 = 620.62 : x
  2. Step 2: Convert to fraction form
    2,351.99/3,528.01 = 620.62/x
  3. Step 3: Cross multiply
    2,351.99x = 3,528.01 × 620.62
  4. Step 4: Simplify right side
    2,351.99x = 2,189,553.57
  5. Step 5: Solve for x
    x = 2,189,553.57/2,351.99
  6. Step 6: Final answer
    x = 930.94

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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.