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Finding the Fourth Proportional to 603.67, 832.44 and 394.03

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Solution

The fourth proportional to 603.67, 832.44 and 394.03 is: 543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.67 : 832.44 = 394.03 : x
  2. Step 2: Convert to fraction form
    603.67/832.44 = 394.03/x
  3. Step 3: Cross multiply
    603.67x = 832.44 × 394.03
  4. Step 4: Simplify right side
    603.67x = 328,006.33
  5. Step 5: Solve for x
    x = 328,006.33/603.67
  6. Step 6: Final answer
    x = 543.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.