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Finding the Fourth Proportional to 350.32, 483.52 and 203

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Solution

The fourth proportional to 350.32, 483.52 and 203 is: 280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.32 : 483.52 = 203 : x
  2. Step 2: Convert to fraction form
    350.32/483.52 = 203/x
  3. Step 3: Cross multiply
    350.32x = 483.52 × 203
  4. Step 4: Simplify right side
    350.32x = 98,154.56
  5. Step 5: Solve for x
    x = 98,154.56/350.32
  6. Step 6: Final answer
    x = 280.19

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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.