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Finding the Fourth Proportional to 325.44, 448.83 and 263.25

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Solution

The fourth proportional to 325.44, 448.83 and 263.25 is: 363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.44 : 448.83 = 263.25 : x
  2. Step 2: Convert to fraction form
    325.44/448.83 = 263.25/x
  3. Step 3: Cross multiply
    325.44x = 448.83 × 263.25
  4. Step 4: Simplify right side
    325.44x = 118,154.50
  5. Step 5: Solve for x
    x = 118,154.50/325.44
  6. Step 6: Final answer
    x = 363.06

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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.