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Finding the Fourth Proportional to 483.73, 725.84 and 356.53

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Solution

The fourth proportional to 483.73, 725.84 and 356.53 is: 534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.73 : 725.84 = 356.53 : x
  2. Step 2: Convert to fraction form
    483.73/725.84 = 356.53/x
  3. Step 3: Cross multiply
    483.73x = 725.84 × 356.53
  4. Step 4: Simplify right side
    483.73x = 258,781.95
  5. Step 5: Solve for x
    x = 258,781.95/483.73
  6. Step 6: Final answer
    x = 534.97

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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.