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Finding the Fourth Proportional to 350.30, 525.84 and 206.12

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Solution

The fourth proportional to 350.30, 525.84 and 206.12 is: 309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.30 : 525.84 = 206.12 : x
  2. Step 2: Convert to fraction form
    350.30/525.84 = 206.12/x
  3. Step 3: Cross multiply
    350.30x = 525.84 × 206.12
  4. Step 4: Simplify right side
    350.30x = 108,386.14
  5. Step 5: Solve for x
    x = 108,386.14/350.30
  6. Step 6: Final answer
    x = 309.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.