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Finding the Fourth Proportional to 296.34, 443.22 and 253.44

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Solution

The fourth proportional to 296.34, 443.22 and 253.44 is: 379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.34 : 443.22 = 253.44 : x
  2. Step 2: Convert to fraction form
    296.34/443.22 = 253.44/x
  3. Step 3: Cross multiply
    296.34x = 443.22 × 253.44
  4. Step 4: Simplify right side
    296.34x = 112,329.68
  5. Step 5: Solve for x
    x = 112,329.68/296.34
  6. Step 6: Final answer
    x = 379.06

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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.