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Finding the Fourth Proportional to 2,264.09, 3,396.15 and 620.60

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Solution

The fourth proportional to 2,264.09, 3,396.15 and 620.60 is: 930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.09 : 3,396.15 = 620.60 : x
  2. Step 2: Convert to fraction form
    2,264.09/3,396.15 = 620.60/x
  3. Step 3: Cross multiply
    2,264.09x = 3,396.15 × 620.60
  4. Step 4: Simplify right side
    2,264.09x = 2,107,650.69
  5. Step 5: Solve for x
    x = 2,107,650.69/2,264.09
  6. Step 6: Final answer
    x = 930.90

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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.