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Finding the Fourth Proportional to 317.73, 476.44 and 101.26

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Solution

The fourth proportional to 317.73, 476.44 and 101.26 is: 151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.73 : 476.44 = 101.26 : x
  2. Step 2: Convert to fraction form
    317.73/476.44 = 101.26/x
  3. Step 3: Cross multiply
    317.73x = 476.44 × 101.26
  4. Step 4: Simplify right side
    317.73x = 48,244.31
  5. Step 5: Solve for x
    x = 48,244.31/317.73
  6. Step 6: Final answer
    x = 151.84

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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.