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Finding the Fourth Proportional to 2,306.45, 3,459.26 and 662.64

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Solution

The fourth proportional to 2,306.45, 3,459.26 and 662.64 is: 993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.45 : 3,459.26 = 662.64 : x
  2. Step 2: Convert to fraction form
    2,306.45/3,459.26 = 662.64/x
  3. Step 3: Cross multiply
    2,306.45x = 3,459.26 × 662.64
  4. Step 4: Simplify right side
    2,306.45x = 2,292,240.73
  5. Step 5: Solve for x
    x = 2,292,240.73/2,306.45
  6. Step 6: Final answer
    x = 993.84

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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.