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Finding the Fourth Proportional to 461.22, 636.06 and 295.26

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Solution

The fourth proportional to 461.22, 636.06 and 295.26 is: 407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.22 : 636.06 = 295.26 : x
  2. Step 2: Convert to fraction form
    461.22/636.06 = 295.26/x
  3. Step 3: Cross multiply
    461.22x = 636.06 × 295.26
  4. Step 4: Simplify right side
    461.22x = 187,803.08
  5. Step 5: Solve for x
    x = 187,803.08/461.22
  6. Step 6: Final answer
    x = 407.19

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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.