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Finding the Fourth Proportional to 335.99, 463.67 and 188.64

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Solution

The fourth proportional to 335.99, 463.67 and 188.64 is: 260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.99 : 463.67 = 188.64 : x
  2. Step 2: Convert to fraction form
    335.99/463.67 = 188.64/x
  3. Step 3: Cross multiply
    335.99x = 463.67 × 188.64
  4. Step 4: Simplify right side
    335.99x = 87,466.71
  5. Step 5: Solve for x
    x = 87,466.71/335.99
  6. Step 6: Final answer
    x = 260.33

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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.