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Finding the Fourth Proportional to 2,205.99, 3,308.99 and 562.57

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Solution

The fourth proportional to 2,205.99, 3,308.99 and 562.57 is: 843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.99 : 3,308.99 = 562.57 : x
  2. Step 2: Convert to fraction form
    2,205.99/3,308.99 = 562.57/x
  3. Step 3: Cross multiply
    2,205.99x = 3,308.99 × 562.57
  4. Step 4: Simplify right side
    2,205.99x = 1,861,527.42
  5. Step 5: Solve for x
    x = 1,861,527.42/2,205.99
  6. Step 6: Final answer
    x = 843.85

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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.