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Finding the Fourth Proportional to 1,163.25, 1,745.14 and 341.59

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Solution

The fourth proportional to 1,163.25, 1,745.14 and 341.59 is: 512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.25 : 1,745.14 = 341.59 : x
  2. Step 2: Convert to fraction form
    1,163.25/1,745.14 = 341.59/x
  3. Step 3: Cross multiply
    1,163.25x = 1,745.14 × 341.59
  4. Step 4: Simplify right side
    1,163.25x = 596,125.74
  5. Step 5: Solve for x
    x = 596,125.74/1,163.25
  6. Step 6: Final answer
    x = 512.46

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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.