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Finding the Fourth Proportional to 335,955.20, 503,241.60 and 169,836.80

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Solution

The fourth proportional to 335,955.20, 503,241.60 and 169,836.80 is: 254,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,955.20 : 503,241.60 = 169,836.80 : x
  2. Step 2: Convert to fraction form
    335,955.20/503,241.60 = 169,836.80/x
  3. Step 3: Cross multiply
    335,955.20x = 503,241.60 × 169,836.80
  4. Step 4: Simplify right side
    335,955.20x = 85,468,942,970.88
  5. Step 5: Solve for x
    x = 85,468,942,970.88/335,955.20
  6. Step 6: Final answer
    x = 254,405.77

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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.