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Finding the Fourth Proportional to 2,246.89, 3,370.05 and 603.55

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Solution

The fourth proportional to 2,246.89, 3,370.05 and 603.55 is: 905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.89 : 3,370.05 = 603.55 : x
  2. Step 2: Convert to fraction form
    2,246.89/3,370.05 = 603.55/x
  3. Step 3: Cross multiply
    2,246.89x = 3,370.05 × 603.55
  4. Step 4: Simplify right side
    2,246.89x = 2,033,993.68
  5. Step 5: Solve for x
    x = 2,033,993.68/2,246.89
  6. Step 6: Final answer
    x = 905.25

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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.