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Finding the Fourth Proportional to 296.94, 445.03 and 132.36

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Solution

The fourth proportional to 296.94, 445.03 and 132.36 is: 198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.94 : 445.03 = 132.36 : x
  2. Step 2: Convert to fraction form
    296.94/445.03 = 132.36/x
  3. Step 3: Cross multiply
    296.94x = 445.03 × 132.36
  4. Step 4: Simplify right side
    296.94x = 58,904.17
  5. Step 5: Solve for x
    x = 58,904.17/296.94
  6. Step 6: Final answer
    x = 198.37

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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.