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Finding the Fourth Proportional to 326.88, 488.83 and 244.67

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Solution

The fourth proportional to 326.88, 488.83 and 244.67 is: 365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.88 : 488.83 = 244.67 : x
  2. Step 2: Convert to fraction form
    326.88/488.83 = 244.67/x
  3. Step 3: Cross multiply
    326.88x = 488.83 × 244.67
  4. Step 4: Simplify right side
    326.88x = 119,602.04
  5. Step 5: Solve for x
    x = 119,602.04/326.88
  6. Step 6: Final answer
    x = 365.89

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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.