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Finding the Fourth Proportional to 373.30, 514.75 and 233.36

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Solution

The fourth proportional to 373.30, 514.75 and 233.36 is: 321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.30 : 514.75 = 233.36 : x
  2. Step 2: Convert to fraction form
    373.30/514.75 = 233.36/x
  3. Step 3: Cross multiply
    373.30x = 514.75 × 233.36
  4. Step 4: Simplify right side
    373.30x = 120,122.76
  5. Step 5: Solve for x
    x = 120,122.76/373.30
  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.