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Finding the Fourth Proportional to 1,704.41, 2,554.72 and 716.94

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Solution

The fourth proportional to 1,704.41, 2,554.72 and 716.94 is: 1,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.41 : 2,554.72 = 716.94 : x
  2. Step 2: Convert to fraction form
    1,704.41/2,554.72 = 716.94/x
  3. Step 3: Cross multiply
    1,704.41x = 2,554.72 × 716.94
  4. Step 4: Simplify right side
    1,704.41x = 1,831,572.84
  5. Step 5: Solve for x
    x = 1,831,572.84/1,704.41
  6. Step 6: Final answer
    x = 1,074.61

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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.