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Finding the Fourth Proportional to 355.44, 533.14 and 95.46

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Solution

The fourth proportional to 355.44, 533.14 and 95.46 is: 143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.44 : 533.14 = 95.46 : x
  2. Step 2: Convert to fraction form
    355.44/533.14 = 95.46/x
  3. Step 3: Cross multiply
    355.44x = 533.14 × 95.46
  4. Step 4: Simplify right side
    355.44x = 50,893.31
  5. Step 5: Solve for x
    x = 50,893.31/355.44
  6. Step 6: Final answer
    x = 143.18

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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.