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Finding the Fourth Proportional to 336.28, 464 and 188.92

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Solution

The fourth proportional to 336.28, 464 and 188.92 is: 260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.28 : 464 = 188.92 : x
  2. Step 2: Convert to fraction form
    336.28/464 = 188.92/x
  3. Step 3: Cross multiply
    336.28x = 464 × 188.92
  4. Step 4: Simplify right side
    336.28x = 87,658.88
  5. Step 5: Solve for x
    x = 87,658.88/336.28
  6. Step 6: Final answer
    x = 260.67

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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.