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Finding the Fourth Proportional to 673.22, 1,008 and 552.93

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Solution

The fourth proportional to 673.22, 1,008 and 552.93 is: 827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.22 : 1,008 = 552.93 : x
  2. Step 2: Convert to fraction form
    673.22/1,008 = 552.93/x
  3. Step 3: Cross multiply
    673.22x = 1,008 × 552.93
  4. Step 4: Simplify right side
    673.22x = 557,353.44
  5. Step 5: Solve for x
    x = 557,353.44/673.22
  6. Step 6: Final answer
    x = 827.90

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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.