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Finding the Fourth Proportional to 296.84, 445.92 and 194.32

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Solution

The fourth proportional to 296.84, 445.92 and 194.32 is: 291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.84 : 445.92 = 194.32 : x
  2. Step 2: Convert to fraction form
    296.84/445.92 = 194.32/x
  3. Step 3: Cross multiply
    296.84x = 445.92 × 194.32
  4. Step 4: Simplify right side
    296.84x = 86,651.17
  5. Step 5: Solve for x
    x = 86,651.17/296.84
  6. Step 6: Final answer
    x = 291.91

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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.