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Finding the Fourth Proportional to 325.49, 488.16 and 94.37

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Solution

The fourth proportional to 325.49, 488.16 and 94.37 is: 141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.49 : 488.16 = 94.37 : x
  2. Step 2: Convert to fraction form
    325.49/488.16 = 94.37/x
  3. Step 3: Cross multiply
    325.49x = 488.16 × 94.37
  4. Step 4: Simplify right side
    325.49x = 46,065.22
  5. Step 5: Solve for x
    x = 46,065.22/325.49
  6. Step 6: Final answer
    x = 141.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.