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Finding the Fourth Proportional to 1,456.62, 2,184.90 and 482.73

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Solution

The fourth proportional to 1,456.62, 2,184.90 and 482.73 is: 724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.62 : 2,184.90 = 482.73 : x
  2. Step 2: Convert to fraction form
    1,456.62/2,184.90 = 482.73/x
  3. Step 3: Cross multiply
    1,456.62x = 2,184.90 × 482.73
  4. Step 4: Simplify right side
    1,456.62x = 1,054,716.78
  5. Step 5: Solve for x
    x = 1,054,716.78/1,456.62
  6. Step 6: Final answer
    x = 724.09

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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.