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Finding the Fourth Proportional to 336.24, 466.36 and 303.84

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Solution

The fourth proportional to 336.24, 466.36 and 303.84 is: 421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 466.36 = 303.84 : x
  2. Step 2: Convert to fraction form
    336.24/466.36 = 303.84/x
  3. Step 3: Cross multiply
    336.24x = 466.36 × 303.84
  4. Step 4: Simplify right side
    336.24x = 141,698.82
  5. Step 5: Solve for x
    x = 141,698.82/336.24
  6. Step 6: Final answer
    x = 421.42

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.