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Finding the Fourth Proportional to 296.73, 409.52 and 222.92

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Solution

The fourth proportional to 296.73, 409.52 and 222.92 is: 307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.73 : 409.52 = 222.92 : x
  2. Step 2: Convert to fraction form
    296.73/409.52 = 222.92/x
  3. Step 3: Cross multiply
    296.73x = 409.52 × 222.92
  4. Step 4: Simplify right side
    296.73x = 91,290.20
  5. Step 5: Solve for x
    x = 91,290.20/296.73
  6. Step 6: Final answer
    x = 307.65

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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.