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Finding the Fourth Proportional to 471.57, 707.46 and 237.44

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Solution

The fourth proportional to 471.57, 707.46 and 237.44 is: 356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.57 : 707.46 = 237.44 : x
  2. Step 2: Convert to fraction form
    471.57/707.46 = 237.44/x
  3. Step 3: Cross multiply
    471.57x = 707.46 × 237.44
  4. Step 4: Simplify right side
    471.57x = 167,975.77
  5. Step 5: Solve for x
    x = 167,975.77/471.57
  6. Step 6: Final answer
    x = 356.21

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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.