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Finding the Fourth Proportional to 1,037.46, 1,556.39 and 344.33

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Solution

The fourth proportional to 1,037.46, 1,556.39 and 344.33 is: 516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.46 : 1,556.39 = 344.33 : x
  2. Step 2: Convert to fraction form
    1,037.46/1,556.39 = 344.33/x
  3. Step 3: Cross multiply
    1,037.46x = 1,556.39 × 344.33
  4. Step 4: Simplify right side
    1,037.46x = 535,910.05
  5. Step 5: Solve for x
    x = 535,910.05/1,037.46
  6. Step 6: Final answer
    x = 516.56

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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.