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Finding the Fourth Proportional to 350.23, 483.34 and 202.88

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Solution

The fourth proportional to 350.23, 483.34 and 202.88 is: 279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.23 : 483.34 = 202.88 : x
  2. Step 2: Convert to fraction form
    350.23/483.34 = 202.88/x
  3. Step 3: Cross multiply
    350.23x = 483.34 × 202.88
  4. Step 4: Simplify right side
    350.23x = 98,060.31
  5. Step 5: Solve for x
    x = 98,060.31/350.23
  6. Step 6: Final answer
    x = 279.99

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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.