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Finding the Fourth Proportional to 326.54, 488.88 and 301.02

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Solution

The fourth proportional to 326.54, 488.88 and 301.02 is: 450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.54 : 488.88 = 301.02 : x
  2. Step 2: Convert to fraction form
    326.54/488.88 = 301.02/x
  3. Step 3: Cross multiply
    326.54x = 488.88 × 301.02
  4. Step 4: Simplify right side
    326.54x = 147,162.66
  5. Step 5: Solve for x
    x = 147,162.66/326.54
  6. Step 6: Final answer
    x = 450.67

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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.