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Finding the Fourth Proportional to 1,044.21, 1,567.68 and 550.98

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Solution

The fourth proportional to 1,044.21, 1,567.68 and 550.98 is: 827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.21 : 1,567.68 = 550.98 : x
  2. Step 2: Convert to fraction form
    1,044.21/1,567.68 = 550.98/x
  3. Step 3: Cross multiply
    1,044.21x = 1,567.68 × 550.98
  4. Step 4: Simplify right side
    1,044.21x = 863,760.33
  5. Step 5: Solve for x
    x = 863,760.33/1,044.21
  6. Step 6: Final answer
    x = 827.19

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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.