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Finding the Fourth Proportional to 461, 691.64 and 244.48

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Solution

The fourth proportional to 461, 691.64 and 244.48 is: 366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    461 : 691.64 = 244.48 : x
  2. Step 2: Convert to fraction form
    461/691.64 = 244.48/x
  3. Step 3: Cross multiply
    461x = 691.64 × 244.48
  4. Step 4: Simplify right side
    461x = 169,092.15
  5. Step 5: Solve for x
    x = 169,092.15/461
  6. Step 6: Final answer
    x = 366.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.