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Finding the Fourth Proportional to 483.25, 724.74 and 158.59

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Solution

The fourth proportional to 483.25, 724.74 and 158.59 is: 237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.25 : 724.74 = 158.59 : x
  2. Step 2: Convert to fraction form
    483.25/724.74 = 158.59/x
  3. Step 3: Cross multiply
    483.25x = 724.74 × 158.59
  4. Step 4: Simplify right side
    483.25x = 114,936.52
  5. Step 5: Solve for x
    x = 114,936.52/483.25
  6. Step 6: Final answer
    x = 237.84

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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.