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Finding the Fourth Proportional to 264.24, 364.32 and 205.08

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Solution

The fourth proportional to 264.24, 364.32 and 205.08 is: 282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.24 : 364.32 = 205.08 : x
  2. Step 2: Convert to fraction form
    264.24/364.32 = 205.08/x
  3. Step 3: Cross multiply
    264.24x = 364.32 × 205.08
  4. Step 4: Simplify right side
    264.24x = 74,714.75
  5. Step 5: Solve for x
    x = 74,714.75/264.24
  6. Step 6: Final answer
    x = 282.75

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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.