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Finding the Fourth Proportional to 2,297.16, 3,445.80 and 653.73

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Solution

The fourth proportional to 2,297.16, 3,445.80 and 653.73 is: 980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.16 : 3,445.80 = 653.73 : x
  2. Step 2: Convert to fraction form
    2,297.16/3,445.80 = 653.73/x
  3. Step 3: Cross multiply
    2,297.16x = 3,445.80 × 653.73
  4. Step 4: Simplify right side
    2,297.16x = 2,252,622.83
  5. Step 5: Solve for x
    x = 2,252,622.83/2,297.16
  6. Step 6: Final answer
    x = 980.61

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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.