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Finding the Fourth Proportional to 1,037.88, 1,556.86 and 344.52

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Solution

The fourth proportional to 1,037.88, 1,556.86 and 344.52 is: 516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.88 : 1,556.86 = 344.52 : x
  2. Step 2: Convert to fraction form
    1,037.88/1,556.86 = 344.52/x
  3. Step 3: Cross multiply
    1,037.88x = 1,556.86 × 344.52
  4. Step 4: Simplify right side
    1,037.88x = 536,369.41
  5. Step 5: Solve for x
    x = 536,369.41/1,037.88
  6. Step 6: Final answer
    x = 516.79

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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.