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Finding the Fourth Proportional to 350.17, 483.50 and 225.91

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Solution

The fourth proportional to 350.17, 483.50 and 225.91 is: 311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.17 : 483.50 = 225.91 : x
  2. Step 2: Convert to fraction form
    350.17/483.50 = 225.91/x
  3. Step 3: Cross multiply
    350.17x = 483.50 × 225.91
  4. Step 4: Simplify right side
    350.17x = 109,224.66
  5. Step 5: Solve for x
    x = 109,224.66/350.17
  6. Step 6: Final answer
    x = 311.92

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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.