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Finding the Fourth Proportional to 604.91, 834.50 and 383.63

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Solution

The fourth proportional to 604.91, 834.50 and 383.63 is: 529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.91 : 834.50 = 383.63 : x
  2. Step 2: Convert to fraction form
    604.91/834.50 = 383.63/x
  3. Step 3: Cross multiply
    604.91x = 834.50 × 383.63
  4. Step 4: Simplify right side
    604.91x = 320,133.14
  5. Step 5: Solve for x
    x = 320,133.14/604.91
  6. Step 6: Final answer
    x = 529.23

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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.