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Finding the Fourth Proportional to 325.56, 484.67 and 313.08

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Solution

The fourth proportional to 325.56, 484.67 and 313.08 is: 466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.56 : 484.67 = 313.08 : x
  2. Step 2: Convert to fraction form
    325.56/484.67 = 313.08/x
  3. Step 3: Cross multiply
    325.56x = 484.67 × 313.08
  4. Step 4: Simplify right side
    325.56x = 151,740.48
  5. Step 5: Solve for x
    x = 151,740.48/325.56
  6. Step 6: Final answer
    x = 466.09

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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.