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Finding the Fourth Proportional to 244.62, 337.60 and 157.46

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Solution

The fourth proportional to 244.62, 337.60 and 157.46 is: 217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.62 : 337.60 = 157.46 : x
  2. Step 2: Convert to fraction form
    244.62/337.60 = 157.46/x
  3. Step 3: Cross multiply
    244.62x = 337.60 × 157.46
  4. Step 4: Simplify right side
    244.62x = 53,158.50
  5. Step 5: Solve for x
    x = 53,158.50/244.62
  6. Step 6: Final answer
    x = 217.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.