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Finding the Fourth Proportional to 461.52, 636.84 and 295.77

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Solution

The fourth proportional to 461.52, 636.84 and 295.77 is: 408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.52 : 636.84 = 295.77 : x
  2. Step 2: Convert to fraction form
    461.52/636.84 = 295.77/x
  3. Step 3: Cross multiply
    461.52x = 636.84 × 295.77
  4. Step 4: Simplify right side
    461.52x = 188,358.17
  5. Step 5: Solve for x
    x = 188,358.17/461.52
  6. Step 6: Final answer
    x = 408.13

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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.