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Finding the Fourth Proportional to 2,297.34, 3,445.39 and 998.50

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Solution

The fourth proportional to 2,297.34, 3,445.39 and 998.50 is: 1,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.34 : 3,445.39 = 998.50 : x
  2. Step 2: Convert to fraction form
    2,297.34/3,445.39 = 998.50/x
  3. Step 3: Cross multiply
    2,297.34x = 3,445.39 × 998.50
  4. Step 4: Simplify right side
    2,297.34x = 3,440,221.92
  5. Step 5: Solve for x
    x = 3,440,221.92/2,297.34
  6. Step 6: Final answer
    x = 1,497.48

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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.