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Finding the Fourth Proportional to 364.73, 503.40 and 233.90

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Solution

The fourth proportional to 364.73, 503.40 and 233.90 is: 322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.73 : 503.40 = 233.90 : x
  2. Step 2: Convert to fraction form
    364.73/503.40 = 233.90/x
  3. Step 3: Cross multiply
    364.73x = 503.40 × 233.90
  4. Step 4: Simplify right side
    364.73x = 117,745.26
  5. Step 5: Solve for x
    x = 117,745.26/364.73
  6. Step 6: Final answer
    x = 322.83

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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.