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Finding the Fourth Proportional to 373.11, 514.95 and 233.28

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Solution

The fourth proportional to 373.11, 514.95 and 233.28 is: 321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.11 : 514.95 = 233.28 : x
  2. Step 2: Convert to fraction form
    373.11/514.95 = 233.28/x
  3. Step 3: Cross multiply
    373.11x = 514.95 × 233.28
  4. Step 4: Simplify right side
    373.11x = 120,127.54
  5. Step 5: Solve for x
    x = 120,127.54/373.11
  6. Step 6: Final answer
    x = 321.96

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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.