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Finding the Fourth Proportional to 336.83, 505.39 and 174.63

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Solution

The fourth proportional to 336.83, 505.39 and 174.63 is: 262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.83 : 505.39 = 174.63 : x
  2. Step 2: Convert to fraction form
    336.83/505.39 = 174.63/x
  3. Step 3: Cross multiply
    336.83x = 505.39 × 174.63
  4. Step 4: Simplify right side
    336.83x = 88,256.26
  5. Step 5: Solve for x
    x = 88,256.26/336.83
  6. Step 6: Final answer
    x = 262.02

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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.