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Finding the Fourth Proportional to 362.63, 544.32 and 157.29

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Solution

The fourth proportional to 362.63, 544.32 and 157.29 is: 236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.63 : 544.32 = 157.29 : x
  2. Step 2: Convert to fraction form
    362.63/544.32 = 157.29/x
  3. Step 3: Cross multiply
    362.63x = 544.32 × 157.29
  4. Step 4: Simplify right side
    362.63x = 85,616.09
  5. Step 5: Solve for x
    x = 85,616.09/362.63
  6. Step 6: Final answer
    x = 236.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.