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Finding the Fourth Proportional to 483.94, 667.74 and 297.46

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Solution

The fourth proportional to 483.94, 667.74 and 297.46 is: 410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.94 : 667.74 = 297.46 : x
  2. Step 2: Convert to fraction form
    483.94/667.74 = 297.46/x
  3. Step 3: Cross multiply
    483.94x = 667.74 × 297.46
  4. Step 4: Simplify right side
    483.94x = 198,625.94
  5. Step 5: Solve for x
    x = 198,625.94/483.94
  6. Step 6: Final answer
    x = 410.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.