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Finding the Fourth Proportional to 365.56, 504.79 and 233.03

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Solution

The fourth proportional to 365.56, 504.79 and 233.03 is: 321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.56 : 504.79 = 233.03 : x
  2. Step 2: Convert to fraction form
    365.56/504.79 = 233.03/x
  3. Step 3: Cross multiply
    365.56x = 504.79 × 233.03
  4. Step 4: Simplify right side
    365.56x = 117,631.89
  5. Step 5: Solve for x
    x = 117,631.89/365.56
  6. Step 6: Final answer
    x = 321.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.