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Finding the Fourth Proportional to 264.48, 364.44 and 206.16

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Solution

The fourth proportional to 264.48, 364.44 and 206.16 is: 284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.48 : 364.44 = 206.16 : x
  2. Step 2: Convert to fraction form
    264.48/364.44 = 206.16/x
  3. Step 3: Cross multiply
    264.48x = 364.44 × 206.16
  4. Step 4: Simplify right side
    264.48x = 75,132.95
  5. Step 5: Solve for x
    x = 75,132.95/264.48
  6. Step 6: Final answer
    x = 284.08

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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.