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Finding the Fourth Proportional to 350.38, 483.53 and 203.02

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Solution

The fourth proportional to 350.38, 483.53 and 203.02 is: 280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.38 : 483.53 = 203.02 : x
  2. Step 2: Convert to fraction form
    350.38/483.53 = 203.02/x
  3. Step 3: Cross multiply
    350.38x = 483.53 × 203.02
  4. Step 4: Simplify right side
    350.38x = 98,166.14
  5. Step 5: Solve for x
    x = 98,166.14/350.38
  6. Step 6: Final answer
    x = 280.17

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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.