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Finding the Fourth Proportional to 351,265.92, 526,474.56 and 171,081.30

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Solution

The fourth proportional to 351,265.92, 526,474.56 and 171,081.30 is: 256,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,265.92 : 526,474.56 = 171,081.30 : x
  2. Step 2: Convert to fraction form
    351,265.92/526,474.56 = 171,081.30/x
  3. Step 3: Cross multiply
    351,265.92x = 526,474.56 × 171,081.30
  4. Step 4: Simplify right side
    351,265.92x = 90,069,952,141.73
  5. Step 5: Solve for x
    x = 90,069,952,141.73/351,265.92
  6. Step 6: Final answer
    x = 256,415.29

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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.