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Finding the Fourth Proportional to 337.13, 504.90 and 172.33

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Solution

The fourth proportional to 337.13, 504.90 and 172.33 is: 258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.13 : 504.90 = 172.33 : x
  2. Step 2: Convert to fraction form
    337.13/504.90 = 172.33/x
  3. Step 3: Cross multiply
    337.13x = 504.90 × 172.33
  4. Step 4: Simplify right side
    337.13x = 87,008.15
  5. Step 5: Solve for x
    x = 87,008.15/337.13
  6. Step 6: Final answer
    x = 258.09

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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.