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Finding the Fourth Proportional to 296.94, 445.48 and 175.30

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Solution

The fourth proportional to 296.94, 445.48 and 175.30 is: 262.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.94 : 445.48 = 175.30 : x
  2. Step 2: Convert to fraction form
    296.94/445.48 = 175.30/x
  3. Step 3: Cross multiply
    296.94x = 445.48 × 175.30
  4. Step 4: Simplify right side
    296.94x = 78,092.64
  5. Step 5: Solve for x
    x = 78,092.64/296.94
  6. Step 6: Final answer
    x = 262.99

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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.