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Finding the Fourth Proportional to 375.37, 518.21 and 264.94

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Solution

The fourth proportional to 375.37, 518.21 and 264.94 is: 365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.37 : 518.21 = 264.94 : x
  2. Step 2: Convert to fraction form
    375.37/518.21 = 264.94/x
  3. Step 3: Cross multiply
    375.37x = 518.21 × 264.94
  4. Step 4: Simplify right side
    375.37x = 137,293.23
  5. Step 5: Solve for x
    x = 137,293.23/375.37
  6. Step 6: Final answer
    x = 365.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.