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Finding the Fourth Proportional to 322.94, 481.87 and 303.35

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Solution

The fourth proportional to 322.94, 481.87 and 303.35 is: 452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.94 : 481.87 = 303.35 : x
  2. Step 2: Convert to fraction form
    322.94/481.87 = 303.35/x
  3. Step 3: Cross multiply
    322.94x = 481.87 × 303.35
  4. Step 4: Simplify right side
    322.94x = 146,171.34
  5. Step 5: Solve for x
    x = 146,171.34/322.94
  6. Step 6: Final answer
    x = 452.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.