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Finding the Fourth Proportional to 1,694.60, 2,542.17 and 524.33

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Solution

The fourth proportional to 1,694.60, 2,542.17 and 524.33 is: 786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.60 : 2,542.17 = 524.33 : x
  2. Step 2: Convert to fraction form
    1,694.60/2,542.17 = 524.33/x
  3. Step 3: Cross multiply
    1,694.60x = 2,542.17 × 524.33
  4. Step 4: Simplify right side
    1,694.60x = 1,332,923.29
  5. Step 5: Solve for x
    x = 1,332,923.29/1,694.60
  6. Step 6: Final answer
    x = 786.57

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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.