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Finding the Fourth Proportional to 373.44, 559.74 and 330.22

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Solution

The fourth proportional to 373.44, 559.74 and 330.22 is: 494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.44 : 559.74 = 330.22 : x
  2. Step 2: Convert to fraction form
    373.44/559.74 = 330.22/x
  3. Step 3: Cross multiply
    373.44x = 559.74 × 330.22
  4. Step 4: Simplify right side
    373.44x = 184,837.34
  5. Step 5: Solve for x
    x = 184,837.34/373.44
  6. Step 6: Final answer
    x = 494.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.