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Finding the Fourth Proportional to 336.23, 463.99 and 188.87

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Solution

The fourth proportional to 336.23, 463.99 and 188.87 is: 260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.23 : 463.99 = 188.87 : x
  2. Step 2: Convert to fraction form
    336.23/463.99 = 188.87/x
  3. Step 3: Cross multiply
    336.23x = 463.99 × 188.87
  4. Step 4: Simplify right side
    336.23x = 87,633.79
  5. Step 5: Solve for x
    x = 87,633.79/336.23
  6. Step 6: Final answer
    x = 260.64

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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.