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Finding the Fourth Proportional to 673.46, 1,010.25 and 179.94

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Solution

The fourth proportional to 673.46, 1,010.25 and 179.94 is: 269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.46 : 1,010.25 = 179.94 : x
  2. Step 2: Convert to fraction form
    673.46/1,010.25 = 179.94/x
  3. Step 3: Cross multiply
    673.46x = 1,010.25 × 179.94
  4. Step 4: Simplify right side
    673.46x = 181,786.25
  5. Step 5: Solve for x
    x = 181,786.25/673.46
  6. Step 6: Final answer
    x = 269.93

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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.