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Finding the Fourth Proportional to 656.97, 984.33 and 382.38

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Solution

The fourth proportional to 656.97, 984.33 and 382.38 is: 572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.97 : 984.33 = 382.38 : x
  2. Step 2: Convert to fraction form
    656.97/984.33 = 382.38/x
  3. Step 3: Cross multiply
    656.97x = 984.33 × 382.38
  4. Step 4: Simplify right side
    656.97x = 376,388.11
  5. Step 5: Solve for x
    x = 376,388.11/656.97
  6. Step 6: Final answer
    x = 572.92

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