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Finding the Fourth Proportional to 482.17, 723.29 and 157.54

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Solution

The fourth proportional to 482.17, 723.29 and 157.54 is: 236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.17 : 723.29 = 157.54 : x
  2. Step 2: Convert to fraction form
    482.17/723.29 = 157.54/x
  3. Step 3: Cross multiply
    482.17x = 723.29 × 157.54
  4. Step 4: Simplify right side
    482.17x = 113,947.11
  5. Step 5: Solve for x
    x = 113,947.11/482.17
  6. Step 6: Final answer
    x = 236.32

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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.