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Finding the Fourth Proportional to 350.44, 483.65 and 203.16

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Solution

The fourth proportional to 350.44, 483.65 and 203.16 is: 280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.44 : 483.65 = 203.16 : x
  2. Step 2: Convert to fraction form
    350.44/483.65 = 203.16/x
  3. Step 3: Cross multiply
    350.44x = 483.65 × 203.16
  4. Step 4: Simplify right side
    350.44x = 98,258.33
  5. Step 5: Solve for x
    x = 98,258.33/350.44
  6. Step 6: Final answer
    x = 280.39

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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.