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Finding the Fourth Proportional to 2,245.90, 3,369.03 and 602.43

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Solution

The fourth proportional to 2,245.90, 3,369.03 and 602.43 is: 903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.90 : 3,369.03 = 602.43 : x
  2. Step 2: Convert to fraction form
    2,245.90/3,369.03 = 602.43/x
  3. Step 3: Cross multiply
    2,245.90x = 3,369.03 × 602.43
  4. Step 4: Simplify right side
    2,245.90x = 2,029,604.74
  5. Step 5: Solve for x
    x = 2,029,604.74/2,245.90
  6. Step 6: Final answer
    x = 903.69

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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.