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Finding the Fourth Proportional to 296.98, 445.75 and 150.84

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Solution

The fourth proportional to 296.98, 445.75 and 150.84 is: 226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.98 : 445.75 = 150.84 : x
  2. Step 2: Convert to fraction form
    296.98/445.75 = 150.84/x
  3. Step 3: Cross multiply
    296.98x = 445.75 × 150.84
  4. Step 4: Simplify right side
    296.98x = 67,234.32
  5. Step 5: Solve for x
    x = 67,234.32/296.98
  6. Step 6: Final answer
    x = 226.39

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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.