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Finding the Fourth Proportional to 350, 483.04 and 212

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Solution

The fourth proportional to 350, 483.04 and 212 is: 292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350 : 483.04 = 212 : x
  2. Step 2: Convert to fraction form
    350/483.04 = 212/x
  3. Step 3: Cross multiply
    350x = 483.04 × 212
  4. Step 4: Simplify right side
    350x = 102,404.48
  5. Step 5: Solve for x
    x = 102,404.48/350
  6. Step 6: Final answer
    x = 292.58

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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.