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Finding the Fourth Proportional to 1,167.65, 1,751.34 and 301.96

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Solution

The fourth proportional to 1,167.65, 1,751.34 and 301.96 is: 452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.65 : 1,751.34 = 301.96 : x
  2. Step 2: Convert to fraction form
    1,167.65/1,751.34 = 301.96/x
  3. Step 3: Cross multiply
    1,167.65x = 1,751.34 × 301.96
  4. Step 4: Simplify right side
    1,167.65x = 528,825.87
  5. Step 5: Solve for x
    x = 528,825.87/1,167.65
  6. Step 6: Final answer
    x = 452.90

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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.