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Finding the Fourth Proportional to 461.37, 636.99 and 295.65

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Solution

The fourth proportional to 461.37, 636.99 and 295.65 is: 408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.37 : 636.99 = 295.65 : x
  2. Step 2: Convert to fraction form
    461.37/636.99 = 295.65/x
  3. Step 3: Cross multiply
    461.37x = 636.99 × 295.65
  4. Step 4: Simplify right side
    461.37x = 188,326.09
  5. Step 5: Solve for x
    x = 188,326.09/461.37
  6. Step 6: Final answer
    x = 408.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.