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Finding the Fourth Proportional to 1,161.34, 1,741.96 and 295.63

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Solution

The fourth proportional to 1,161.34, 1,741.96 and 295.63 is: 443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.34 : 1,741.96 = 295.63 : x
  2. Step 2: Convert to fraction form
    1,161.34/1,741.96 = 295.63/x
  3. Step 3: Cross multiply
    1,161.34x = 1,741.96 × 295.63
  4. Step 4: Simplify right side
    1,161.34x = 514,975.63
  5. Step 5: Solve for x
    x = 514,975.63/1,161.34
  6. Step 6: Final answer
    x = 443.43

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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.