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Finding the Fourth Proportional to 349.92, 483 and 245.04

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Solution

The fourth proportional to 349.92, 483 and 245.04 is: 338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.92 : 483 = 245.04 : x
  2. Step 2: Convert to fraction form
    349.92/483 = 245.04/x
  3. Step 3: Cross multiply
    349.92x = 483 × 245.04
  4. Step 4: Simplify right side
    349.92x = 118,354.32
  5. Step 5: Solve for x
    x = 118,354.32/349.92
  6. Step 6: Final answer
    x = 338.23

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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.