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Finding the Fourth Proportional to 322.29, 482.93 and 235.52

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Solution

The fourth proportional to 322.29, 482.93 and 235.52 is: 352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.29 : 482.93 = 235.52 : x
  2. Step 2: Convert to fraction form
    322.29/482.93 = 235.52/x
  3. Step 3: Cross multiply
    322.29x = 482.93 × 235.52
  4. Step 4: Simplify right side
    322.29x = 113,738.78
  5. Step 5: Solve for x
    x = 113,738.78/322.29
  6. Step 6: Final answer
    x = 352.91

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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.