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Finding the Fourth Proportional to 1,168.26, 1,751.18 and 474.66

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Solution

The fourth proportional to 1,168.26, 1,751.18 and 474.66 is: 711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.26 : 1,751.18 = 474.66 : x
  2. Step 2: Convert to fraction form
    1,168.26/1,751.18 = 474.66/x
  3. Step 3: Cross multiply
    1,168.26x = 1,751.18 × 474.66
  4. Step 4: Simplify right side
    1,168.26x = 831,212.73
  5. Step 5: Solve for x
    x = 831,212.73/1,168.26
  6. Step 6: Final answer
    x = 711.50

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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.