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Finding the Fourth Proportional to 364.55, 502.74 and 233.33

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Solution

The fourth proportional to 364.55, 502.74 and 233.33 is: 321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.55 : 502.74 = 233.33 : x
  2. Step 2: Convert to fraction form
    364.55/502.74 = 233.33/x
  3. Step 3: Cross multiply
    364.55x = 502.74 × 233.33
  4. Step 4: Simplify right side
    364.55x = 117,304.32
  5. Step 5: Solve for x
    x = 117,304.32/364.55
  6. Step 6: Final answer
    x = 321.78

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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.