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Finding the Fourth Proportional to 336.27, 464.08 and 253.23

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Solution

The fourth proportional to 336.27, 464.08 and 253.23 is: 349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.27 : 464.08 = 253.23 : x
  2. Step 2: Convert to fraction form
    336.27/464.08 = 253.23/x
  3. Step 3: Cross multiply
    336.27x = 464.08 × 253.23
  4. Step 4: Simplify right side
    336.27x = 117,518.98
  5. Step 5: Solve for x
    x = 117,518.98/336.27
  6. Step 6: Final answer
    x = 349.48

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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.