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Finding the Fourth Proportional to 383.94, 575.01 and 333

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Solution

The fourth proportional to 383.94, 575.01 and 333 is: 498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.94 : 575.01 = 333 : x
  2. Step 2: Convert to fraction form
    383.94/575.01 = 333/x
  3. Step 3: Cross multiply
    383.94x = 575.01 × 333
  4. Step 4: Simplify right side
    383.94x = 191,478.33
  5. Step 5: Solve for x
    x = 191,478.33/383.94
  6. Step 6: Final answer
    x = 498.72

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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.