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Finding the Fourth Proportional to 384.41, 575.23 and 333.22

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Solution

The fourth proportional to 384.41, 575.23 and 333.22 is: 498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.41 : 575.23 = 333.22 : x
  2. Step 2: Convert to fraction form
    384.41/575.23 = 333.22/x
  3. Step 3: Cross multiply
    384.41x = 575.23 × 333.22
  4. Step 4: Simplify right side
    384.41x = 191,678.14
  5. Step 5: Solve for x
    x = 191,678.14/384.41
  6. Step 6: Final answer
    x = 498.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.