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Finding the Fourth Proportional to 336.52, 464.38 and 189.13

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Solution

The fourth proportional to 336.52, 464.38 and 189.13 is: 260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.52 : 464.38 = 189.13 : x
  2. Step 2: Convert to fraction form
    336.52/464.38 = 189.13/x
  3. Step 3: Cross multiply
    336.52x = 464.38 × 189.13
  4. Step 4: Simplify right side
    336.52x = 87,828.19
  5. Step 5: Solve for x
    x = 87,828.19/336.52
  6. Step 6: Final answer
    x = 260.99

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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.