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Finding the Fourth Proportional to 336.42, 464 and 236.66

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Solution

The fourth proportional to 336.42, 464 and 236.66 is: 326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.42 : 464 = 236.66 : x
  2. Step 2: Convert to fraction form
    336.42/464 = 236.66/x
  3. Step 3: Cross multiply
    336.42x = 464 × 236.66
  4. Step 4: Simplify right side
    336.42x = 109,810.24
  5. Step 5: Solve for x
    x = 109,810.24/336.42
  6. Step 6: Final answer
    x = 326.41

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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.