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Finding the Fourth Proportional to 482.95, 724.44 and 251.53

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Solution

The fourth proportional to 482.95, 724.44 and 251.53 is: 377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.95 : 724.44 = 251.53 : x
  2. Step 2: Convert to fraction form
    482.95/724.44 = 251.53/x
  3. Step 3: Cross multiply
    482.95x = 724.44 × 251.53
  4. Step 4: Simplify right side
    482.95x = 182,218.39
  5. Step 5: Solve for x
    x = 182,218.39/482.95
  6. Step 6: Final answer
    x = 377.30

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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.