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Finding the Fourth Proportional to 1,033.82, 1,550.74 and 264.32

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Solution

The fourth proportional to 1,033.82, 1,550.74 and 264.32 is: 396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.82 : 1,550.74 = 264.32 : x
  2. Step 2: Convert to fraction form
    1,033.82/1,550.74 = 264.32/x
  3. Step 3: Cross multiply
    1,033.82x = 1,550.74 × 264.32
  4. Step 4: Simplify right side
    1,033.82x = 409,891.60
  5. Step 5: Solve for x
    x = 409,891.60/1,033.82
  6. Step 6: Final answer
    x = 396.48

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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.