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Finding the Fourth Proportional to 332.62, 458.89 and 208.06

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Solution

The fourth proportional to 332.62, 458.89 and 208.06 is: 287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.62 : 458.89 = 208.06 : x
  2. Step 2: Convert to fraction form
    332.62/458.89 = 208.06/x
  3. Step 3: Cross multiply
    332.62x = 458.89 × 208.06
  4. Step 4: Simplify right side
    332.62x = 95,474.99
  5. Step 5: Solve for x
    x = 95,474.99/332.62
  6. Step 6: Final answer
    x = 287.04

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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.