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Finding the Fourth Proportional to 279,269.60, 418,443.60 and 237,797.60

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Solution

The fourth proportional to 279,269.60, 418,443.60 and 237,797.60 is: 356,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,269.60 : 418,443.60 = 237,797.60 : x
  2. Step 2: Convert to fraction form
    279,269.60/418,443.60 = 237,797.60/x
  3. Step 3: Cross multiply
    279,269.60x = 418,443.60 × 237,797.60
  4. Step 4: Simplify right side
    279,269.60x = 99,504,883,815.36
  5. Step 5: Solve for x
    x = 99,504,883,815.36/279,269.60
  6. Step 6: Final answer
    x = 356,304.03

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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.