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Finding the Fourth Proportional to 297.07, 445.42 and 175.36

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Solution

The fourth proportional to 297.07, 445.42 and 175.36 is: 262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.07 : 445.42 = 175.36 : x
  2. Step 2: Convert to fraction form
    297.07/445.42 = 175.36/x
  3. Step 3: Cross multiply
    297.07x = 445.42 × 175.36
  4. Step 4: Simplify right side
    297.07x = 78,108.85
  5. Step 5: Solve for x
    x = 78,108.85/297.07
  6. Step 6: Final answer
    x = 262.93

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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.