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Finding the Fourth Proportional to 336.33, 504.50 and 92.88

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Solution

The fourth proportional to 336.33, 504.50 and 92.88 is: 139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.33 : 504.50 = 92.88 : x
  2. Step 2: Convert to fraction form
    336.33/504.50 = 92.88/x
  3. Step 3: Cross multiply
    336.33x = 504.50 × 92.88
  4. Step 4: Simplify right side
    336.33x = 46,857.50
  5. Step 5: Solve for x
    x = 46,857.50/336.33
  6. Step 6: Final answer
    x = 139.32

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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.