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Finding the Fourth Proportional to 324.95, 484.29 and 324.44

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Solution

The fourth proportional to 324.95, 484.29 and 324.44 is: 483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.95 : 484.29 = 324.44 : x
  2. Step 2: Convert to fraction form
    324.95/484.29 = 324.44/x
  3. Step 3: Cross multiply
    324.95x = 484.29 × 324.44
  4. Step 4: Simplify right side
    324.95x = 157,122.44
  5. Step 5: Solve for x
    x = 157,122.44/324.95
  6. Step 6: Final answer
    x = 483.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.