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Finding the Fourth Proportional to 294,586.40, 441,879.60 and 169,824.80

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Solution

The fourth proportional to 294,586.40, 441,879.60 and 169,824.80 is: 254,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,586.40 : 441,879.60 = 169,824.80 : x
  2. Step 2: Convert to fraction form
    294,586.40/441,879.60 = 169,824.80/x
  3. Step 3: Cross multiply
    294,586.40x = 441,879.60 × 169,824.80
  4. Step 4: Simplify right side
    294,586.40x = 75,042,114,694.08
  5. Step 5: Solve for x
    x = 75,042,114,694.08/294,586.40
  6. Step 6: Final answer
    x = 254,737.20

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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.