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Finding the Fourth Proportional to 483.26, 665.76 and 370.97

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Solution

The fourth proportional to 483.26, 665.76 and 370.97 is: 511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.26 : 665.76 = 370.97 : x
  2. Step 2: Convert to fraction form
    483.26/665.76 = 370.97/x
  3. Step 3: Cross multiply
    483.26x = 665.76 × 370.97
  4. Step 4: Simplify right side
    483.26x = 246,973.66
  5. Step 5: Solve for x
    x = 246,973.66/483.26
  6. Step 6: Final answer
    x = 511.06

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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.