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Finding the Fourth Proportional to 373.67, 559.67 and 308.52

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Solution

The fourth proportional to 373.67, 559.67 and 308.52 is: 462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.67 : 559.67 = 308.52 : x
  2. Step 2: Convert to fraction form
    373.67/559.67 = 308.52/x
  3. Step 3: Cross multiply
    373.67x = 559.67 × 308.52
  4. Step 4: Simplify right side
    373.67x = 172,669.39
  5. Step 5: Solve for x
    x = 172,669.39/373.67
  6. Step 6: Final answer
    x = 462.09

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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.