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Finding the Fourth Proportional to 373.19, 514.94 and 233.28

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Solution

The fourth proportional to 373.19, 514.94 and 233.28 is: 321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.19 : 514.94 = 233.28 : x
  2. Step 2: Convert to fraction form
    373.19/514.94 = 233.28/x
  3. Step 3: Cross multiply
    373.19x = 514.94 × 233.28
  4. Step 4: Simplify right side
    373.19x = 120,124.04
  5. Step 5: Solve for x
    x = 120,124.04/373.19
  6. Step 6: Final answer
    x = 321.89

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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.