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Finding the Fourth Proportional to 264.51, 364.69 and 194.51

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Solution

The fourth proportional to 264.51, 364.69 and 194.51 is: 268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.51 : 364.69 = 194.51 : x
  2. Step 2: Convert to fraction form
    264.51/364.69 = 194.51/x
  3. Step 3: Cross multiply
    264.51x = 364.69 × 194.51
  4. Step 4: Simplify right side
    264.51x = 70,935.85
  5. Step 5: Solve for x
    x = 70,935.85/264.51
  6. Step 6: Final answer
    x = 268.18

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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.