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Finding the Fourth Proportional to 294,237.20, 441,816.60 and 169,821.20

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Solution

The fourth proportional to 294,237.20, 441,816.60 and 169,821.20 is: 254,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,237.20 : 441,816.60 = 169,821.20 : x
  2. Step 2: Convert to fraction form
    294,237.20/441,816.60 = 169,821.20/x
  3. Step 3: Cross multiply
    294,237.20x = 441,816.60 × 169,821.20
  4. Step 4: Simplify right side
    294,237.20x = 75,029,825,191.92
  5. Step 5: Solve for x
    x = 75,029,825,191.92/294,237.20
  6. Step 6: Final answer
    x = 254,997.75

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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.