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Finding the Fourth Proportional to 461.96, 637.07 and 296.22

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Solution

The fourth proportional to 461.96, 637.07 and 296.22 is: 408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.96 : 637.07 = 296.22 : x
  2. Step 2: Convert to fraction form
    461.96/637.07 = 296.22/x
  3. Step 3: Cross multiply
    461.96x = 637.07 × 296.22
  4. Step 4: Simplify right side
    461.96x = 188,711.39
  5. Step 5: Solve for x
    x = 188,711.39/461.96
  6. Step 6: Final answer
    x = 408.51

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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.