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Finding the Fourth Proportional to 1,168.26, 1,751.17 and 474.65

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Solution

The fourth proportional to 1,168.26, 1,751.17 and 474.65 is: 711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.26 : 1,751.17 = 474.65 : x
  2. Step 2: Convert to fraction form
    1,168.26/1,751.17 = 474.65/x
  3. Step 3: Cross multiply
    1,168.26x = 1,751.17 × 474.65
  4. Step 4: Simplify right side
    1,168.26x = 831,192.84
  5. Step 5: Solve for x
    x = 831,192.84/1,168.26
  6. Step 6: Final answer
    x = 711.48

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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.