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Finding the Fourth Proportional to 1,167.54, 1,751.31 and 301.85

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Solution

The fourth proportional to 1,167.54, 1,751.31 and 301.85 is: 452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.54 : 1,751.31 = 301.85 : x
  2. Step 2: Convert to fraction form
    1,167.54/1,751.31 = 301.85/x
  3. Step 3: Cross multiply
    1,167.54x = 1,751.31 × 301.85
  4. Step 4: Simplify right side
    1,167.54x = 528,635.24
  5. Step 5: Solve for x
    x = 528,635.24/1,167.54
  6. Step 6: Final answer
    x = 452.78

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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.