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Finding the Fourth Proportional to 333.84, 459.36 and 325.36

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Solution

The fourth proportional to 333.84, 459.36 and 325.36 is: 447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.84 : 459.36 = 325.36 : x
  2. Step 2: Convert to fraction form
    333.84/459.36 = 325.36/x
  3. Step 3: Cross multiply
    333.84x = 459.36 × 325.36
  4. Step 4: Simplify right side
    333.84x = 149,457.37
  5. Step 5: Solve for x
    x = 149,457.37/333.84
  6. Step 6: Final answer
    x = 447.69

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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.