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Finding the Fourth Proportional to 461.32, 636.69 and 264.83

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Solution

The fourth proportional to 461.32, 636.69 and 264.83 is: 365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.32 : 636.69 = 264.83 : x
  2. Step 2: Convert to fraction form
    461.32/636.69 = 264.83/x
  3. Step 3: Cross multiply
    461.32x = 636.69 × 264.83
  4. Step 4: Simplify right side
    461.32x = 168,614.66
  5. Step 5: Solve for x
    x = 168,614.66/461.32
  6. Step 6: Final answer
    x = 365.50

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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.