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Finding the Fourth Proportional to 350.74, 526.32 and 134.32

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Solution

The fourth proportional to 350.74, 526.32 and 134.32 is: 201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.74 : 526.32 = 134.32 : x
  2. Step 2: Convert to fraction form
    350.74/526.32 = 134.32/x
  3. Step 3: Cross multiply
    350.74x = 526.32 × 134.32
  4. Step 4: Simplify right side
    350.74x = 70,695.30
  5. Step 5: Solve for x
    x = 70,695.30/350.74
  6. Step 6: Final answer
    x = 201.56

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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.