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Finding the Fourth Proportional to 324.26, 482.94 and 304.28

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Solution

The fourth proportional to 324.26, 482.94 and 304.28 is: 453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.26 : 482.94 = 304.28 : x
  2. Step 2: Convert to fraction form
    324.26/482.94 = 304.28/x
  3. Step 3: Cross multiply
    324.26x = 482.94 × 304.28
  4. Step 4: Simplify right side
    324.26x = 146,948.98
  5. Step 5: Solve for x
    x = 146,948.98/324.26
  6. Step 6: Final answer
    x = 453.18

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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.