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Finding the Fourth Proportional to 336.37, 464.19 and 189.00

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Solution

The fourth proportional to 336.37, 464.19 and 189.00 is: 260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.37 : 464.19 = 189.00 : x
  2. Step 2: Convert to fraction form
    336.37/464.19 = 189.00/x
  3. Step 3: Cross multiply
    336.37x = 464.19 × 189.00
  4. Step 4: Simplify right side
    336.37x = 87,732.31
  5. Step 5: Solve for x
    x = 87,732.31/336.37
  6. Step 6: Final answer
    x = 260.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.