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Finding the Fourth Proportional to 373.36, 514.12 and 324.24

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Solution

The fourth proportional to 373.36, 514.12 and 324.24 is: 446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.36 : 514.12 = 324.24 : x
  2. Step 2: Convert to fraction form
    373.36/514.12 = 324.24/x
  3. Step 3: Cross multiply
    373.36x = 514.12 × 324.24
  4. Step 4: Simplify right side
    373.36x = 166,698.27
  5. Step 5: Solve for x
    x = 166,698.27/373.36
  6. Step 6: Final answer
    x = 446.48

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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.