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Finding the Fourth Proportional to 332.75, 458.99 and 201.83

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Solution

The fourth proportional to 332.75, 458.99 and 201.83 is: 278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.75 : 458.99 = 201.83 : x
  2. Step 2: Convert to fraction form
    332.75/458.99 = 201.83/x
  3. Step 3: Cross multiply
    332.75x = 458.99 × 201.83
  4. Step 4: Simplify right side
    332.75x = 92,638.09
  5. Step 5: Solve for x
    x = 92,638.09/332.75
  6. Step 6: Final answer
    x = 278.40

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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.