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Finding the Fourth Proportional to 1,696.75, 2,544.15 and 526.44

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Solution

The fourth proportional to 1,696.75, 2,544.15 and 526.44 is: 789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.75 : 2,544.15 = 526.44 : x
  2. Step 2: Convert to fraction form
    1,696.75/2,544.15 = 526.44/x
  3. Step 3: Cross multiply
    1,696.75x = 2,544.15 × 526.44
  4. Step 4: Simplify right side
    1,696.75x = 1,339,342.33
  5. Step 5: Solve for x
    x = 1,339,342.33/1,696.75
  6. Step 6: Final answer
    x = 789.36

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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.