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Finding the Fourth Proportional to 264.63, 365.25 and 186

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Solution

The fourth proportional to 264.63, 365.25 and 186 is: 256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.63 : 365.25 = 186 : x
  2. Step 2: Convert to fraction form
    264.63/365.25 = 186/x
  3. Step 3: Cross multiply
    264.63x = 365.25 × 186
  4. Step 4: Simplify right side
    264.63x = 67,936.50
  5. Step 5: Solve for x
    x = 67,936.50/264.63
  6. Step 6: Final answer
    x = 256.72

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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.