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Finding the Fourth Proportional to 322.22, 482.99 and 235.92

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Solution

The fourth proportional to 322.22, 482.99 and 235.92 is: 353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.22 : 482.99 = 235.92 : x
  2. Step 2: Convert to fraction form
    322.22/482.99 = 235.92/x
  3. Step 3: Cross multiply
    322.22x = 482.99 × 235.92
  4. Step 4: Simplify right side
    322.22x = 113,946.94
  5. Step 5: Solve for x
    x = 113,946.94/322.22
  6. Step 6: Final answer
    x = 353.63

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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.