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Finding the Fourth Proportional to 264.36, 364.32 and 190.56

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Solution

The fourth proportional to 264.36, 364.32 and 190.56 is: 262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.36 : 364.32 = 190.56 : x
  2. Step 2: Convert to fraction form
    264.36/364.32 = 190.56/x
  3. Step 3: Cross multiply
    264.36x = 364.32 × 190.56
  4. Step 4: Simplify right side
    264.36x = 69,424.82
  5. Step 5: Solve for x
    x = 69,424.82/264.36
  6. Step 6: Final answer
    x = 262.61

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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.