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Finding the Fourth Proportional to 253,826.60, 380,861.40 and 169,627.10

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Solution

The fourth proportional to 253,826.60, 380,861.40 and 169,627.10 is: 254,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,826.60 : 380,861.40 = 169,627.10 : x
  2. Step 2: Convert to fraction form
    253,826.60/380,861.40 = 169,627.10/x
  3. Step 3: Cross multiply
    253,826.60x = 380,861.40 × 169,627.10
  4. Step 4: Simplify right side
    253,826.60x = 64,604,414,783.94
  5. Step 5: Solve for x
    x = 64,604,414,783.94/253,826.60
  6. Step 6: Final answer
    x = 254,521.85

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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.