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Finding the Fourth Proportional to 365.42, 504.18 and 232.72

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Solution

The fourth proportional to 365.42, 504.18 and 232.72 is: 321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.42 : 504.18 = 232.72 : x
  2. Step 2: Convert to fraction form
    365.42/504.18 = 232.72/x
  3. Step 3: Cross multiply
    365.42x = 504.18 × 232.72
  4. Step 4: Simplify right side
    365.42x = 117,330.25
  5. Step 5: Solve for x
    x = 117,330.25/365.42
  6. Step 6: Final answer
    x = 321.08

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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.