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Finding the Fourth Proportional to 461.04, 636.17 and 264.56

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Solution

The fourth proportional to 461.04, 636.17 and 264.56 is: 365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.04 : 636.17 = 264.56 : x
  2. Step 2: Convert to fraction form
    461.04/636.17 = 264.56/x
  3. Step 3: Cross multiply
    461.04x = 636.17 × 264.56
  4. Step 4: Simplify right side
    461.04x = 168,300.63
  5. Step 5: Solve for x
    x = 168,300.63/461.04
  6. Step 6: Final answer
    x = 365.05

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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.