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Finding the Fourth Proportional to 350.92, 526.66 and 158.56

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Solution

The fourth proportional to 350.92, 526.66 and 158.56 is: 237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.92 : 526.66 = 158.56 : x
  2. Step 2: Convert to fraction form
    350.92/526.66 = 158.56/x
  3. Step 3: Cross multiply
    350.92x = 526.66 × 158.56
  4. Step 4: Simplify right side
    350.92x = 83,507.21
  5. Step 5: Solve for x
    x = 83,507.21/350.92
  6. Step 6: Final answer
    x = 237.97

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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.