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Finding the Fourth Proportional to 607.11, 910.43 and 217.04

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Solution

The fourth proportional to 607.11, 910.43 and 217.04 is: 325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.11 : 910.43 = 217.04 : x
  2. Step 2: Convert to fraction form
    607.11/910.43 = 217.04/x
  3. Step 3: Cross multiply
    607.11x = 910.43 × 217.04
  4. Step 4: Simplify right side
    607.11x = 197,594.09
  5. Step 5: Solve for x
    x = 197,594.09/607.11
  6. Step 6: Final answer
    x = 325.47

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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.