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Finding the Fourth Proportional to 353,858.56, 530,406.02 and 173,734.50

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Solution

The fourth proportional to 353,858.56, 530,406.02 and 173,734.50 is: 260,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,858.56 : 530,406.02 = 173,734.50 : x
  2. Step 2: Convert to fraction form
    353,858.56/530,406.02 = 173,734.50/x
  3. Step 3: Cross multiply
    353,858.56x = 530,406.02 × 173,734.50
  4. Step 4: Simplify right side
    353,858.56x = 92,149,825,436.52
  5. Step 5: Solve for x
    x = 92,149,825,436.52/353,858.56
  6. Step 6: Final answer
    x = 260,414.29

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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.