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Finding the Fourth Proportional to 483.32, 725.08 and 236.28

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Solution

The fourth proportional to 483.32, 725.08 and 236.28 is: 354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.32 : 725.08 = 236.28 : x
  2. Step 2: Convert to fraction form
    483.32/725.08 = 236.28/x
  3. Step 3: Cross multiply
    483.32x = 725.08 × 236.28
  4. Step 4: Simplify right side
    483.32x = 171,321.90
  5. Step 5: Solve for x
    x = 171,321.90/483.32
  6. Step 6: Final answer
    x = 354.47

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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.