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Finding the Fourth Proportional to 893.75, 1,340.46 and 244.53

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Solution

The fourth proportional to 893.75, 1,340.46 and 244.53 is: 366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.75 : 1,340.46 = 244.53 : x
  2. Step 2: Convert to fraction form
    893.75/1,340.46 = 244.53/x
  3. Step 3: Cross multiply
    893.75x = 1,340.46 × 244.53
  4. Step 4: Simplify right side
    893.75x = 327,782.68
  5. Step 5: Solve for x
    x = 327,782.68/893.75
  6. Step 6: Final answer
    x = 366.75

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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.