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Finding the Fourth Proportional to 2,168.97, 3,253.99 and 608.97

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Solution

The fourth proportional to 2,168.97, 3,253.99 and 608.97 is: 913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.97 : 3,253.99 = 608.97 : x
  2. Step 2: Convert to fraction form
    2,168.97/3,253.99 = 608.97/x
  3. Step 3: Cross multiply
    2,168.97x = 3,253.99 × 608.97
  4. Step 4: Simplify right side
    2,168.97x = 1,981,585.46
  5. Step 5: Solve for x
    x = 1,981,585.46/2,168.97
  6. Step 6: Final answer
    x = 913.60

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1.5x scale

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.