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Finding the Fourth Proportional to 337.33, 467.64 and 318.85

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Solution

The fourth proportional to 337.33, 467.64 and 318.85 is: 442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.33 : 467.64 = 318.85 : x
  2. Step 2: Convert to fraction form
    337.33/467.64 = 318.85/x
  3. Step 3: Cross multiply
    337.33x = 467.64 × 318.85
  4. Step 4: Simplify right side
    337.33x = 149,108.48
  5. Step 5: Solve for x
    x = 149,108.48/337.33
  6. Step 6: Final answer
    x = 442.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.