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Finding the Fourth Proportional to 460.86, 636.12 and 264.48

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Solution

The fourth proportional to 460.86, 636.12 and 264.48 is: 365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.86 : 636.12 = 264.48 : x
  2. Step 2: Convert to fraction form
    460.86/636.12 = 264.48/x
  3. Step 3: Cross multiply
    460.86x = 636.12 × 264.48
  4. Step 4: Simplify right side
    460.86x = 168,241.02
  5. Step 5: Solve for x
    x = 168,241.02/460.86
  6. Step 6: Final answer
    x = 365.06

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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.