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Finding the Fourth Proportional to 350.96, 526.43 and 188.96

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Solution

The fourth proportional to 350.96, 526.43 and 188.96 is: 283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.96 : 526.43 = 188.96 : x
  2. Step 2: Convert to fraction form
    350.96/526.43 = 188.96/x
  3. Step 3: Cross multiply
    350.96x = 526.43 × 188.96
  4. Step 4: Simplify right side
    350.96x = 99,471.58
  5. Step 5: Solve for x
    x = 99,471.58/350.96
  6. Step 6: Final answer
    x = 283.43

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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.