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Finding the Fourth Proportional to 382.33, 573.31 and 176.84

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Solution

The fourth proportional to 382.33, 573.31 and 176.84 is: 265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.33 : 573.31 = 176.84 : x
  2. Step 2: Convert to fraction form
    382.33/573.31 = 176.84/x
  3. Step 3: Cross multiply
    382.33x = 573.31 × 176.84
  4. Step 4: Simplify right side
    382.33x = 101,384.14
  5. Step 5: Solve for x
    x = 101,384.14/382.33
  6. Step 6: Final answer
    x = 265.17

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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.