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Finding the Fourth Proportional to 244,859.20, 367,288.80 and 203,387.20

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Solution

The fourth proportional to 244,859.20, 367,288.80 and 203,387.20 is: 305,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,859.20 : 367,288.80 = 203,387.20 : x
  2. Step 2: Convert to fraction form
    244,859.20/367,288.80 = 203,387.20/x
  3. Step 3: Cross multiply
    244,859.20x = 367,288.80 × 203,387.20
  4. Step 4: Simplify right side
    244,859.20x = 74,701,840,623.36
  5. Step 5: Solve for x
    x = 74,701,840,623.36/244,859.20
  6. Step 6: Final answer
    x = 305,080.80

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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.