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Finding the Fourth Proportional to 325.08, 484.74 and 302.76

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Solution

The fourth proportional to 325.08, 484.74 and 302.76 is: 451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.08 : 484.74 = 302.76 : x
  2. Step 2: Convert to fraction form
    325.08/484.74 = 302.76/x
  3. Step 3: Cross multiply
    325.08x = 484.74 × 302.76
  4. Step 4: Simplify right side
    325.08x = 146,759.88
  5. Step 5: Solve for x
    x = 146,759.88/325.08
  6. Step 6: Final answer
    x = 451.46

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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.