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Finding the Fourth Proportional to 1,716.97, 2,575.91 and 622.26

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Solution

The fourth proportional to 1,716.97, 2,575.91 and 622.26 is: 933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.97 : 2,575.91 = 622.26 : x
  2. Step 2: Convert to fraction form
    1,716.97/2,575.91 = 622.26/x
  3. Step 3: Cross multiply
    1,716.97x = 2,575.91 × 622.26
  4. Step 4: Simplify right side
    1,716.97x = 1,602,885.76
  5. Step 5: Solve for x
    x = 1,602,885.76/1,716.97
  6. Step 6: Final answer
    x = 933.55

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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.