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Finding the Fourth Proportional to 571.25, 787.85 and 350.04

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Solution

The fourth proportional to 571.25, 787.85 and 350.04 is: 482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.25 : 787.85 = 350.04 : x
  2. Step 2: Convert to fraction form
    571.25/787.85 = 350.04/x
  3. Step 3: Cross multiply
    571.25x = 787.85 × 350.04
  4. Step 4: Simplify right side
    571.25x = 275,777.26
  5. Step 5: Solve for x
    x = 275,777.26/571.25
  6. Step 6: Final answer
    x = 482.77

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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.