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Finding the Fourth Proportional to 2,204.45, 3,306.81 and 703.79

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Solution

The fourth proportional to 2,204.45, 3,306.81 and 703.79 is: 1,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.45 : 3,306.81 = 703.79 : x
  2. Step 2: Convert to fraction form
    2,204.45/3,306.81 = 703.79/x
  3. Step 3: Cross multiply
    2,204.45x = 3,306.81 × 703.79
  4. Step 4: Simplify right side
    2,204.45x = 2,327,294.36
  5. Step 5: Solve for x
    x = 2,327,294.36/2,204.45
  6. Step 6: Final answer
    x = 1,055.73

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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.