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Finding the Fourth Proportional to 1,484.37, 2,226.56 and 559.85

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Solution

The fourth proportional to 1,484.37, 2,226.56 and 559.85 is: 839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.37 : 2,226.56 = 559.85 : x
  2. Step 2: Convert to fraction form
    1,484.37/2,226.56 = 559.85/x
  3. Step 3: Cross multiply
    1,484.37x = 2,226.56 × 559.85
  4. Step 4: Simplify right side
    1,484.37x = 1,246,525.68
  5. Step 5: Solve for x
    x = 1,246,525.68/1,484.37
  6. Step 6: Final answer
    x = 839.77

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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.