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Finding the Fourth Proportional to 336.04, 463.26 and 331.12

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Solution

The fourth proportional to 336.04, 463.26 and 331.12 is: 456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.04 : 463.26 = 331.12 : x
  2. Step 2: Convert to fraction form
    336.04/463.26 = 331.12/x
  3. Step 3: Cross multiply
    336.04x = 463.26 × 331.12
  4. Step 4: Simplify right side
    336.04x = 153,394.65
  5. Step 5: Solve for x
    x = 153,394.65/336.04
  6. Step 6: Final answer
    x = 456.48

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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.