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Finding the Fourth Proportional to 882,855.36, 1,324,049.04 and 243,007.20

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Solution

The fourth proportional to 882,855.36, 1,324,049.04 and 243,007.20 is: 364,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,855.36 : 1,324,049.04 = 243,007.20 : x
  2. Step 2: Convert to fraction form
    882,855.36/1,324,049.04 = 243,007.20/x
  3. Step 3: Cross multiply
    882,855.36x = 1,324,049.04 × 243,007.20
  4. Step 4: Simplify right side
    882,855.36x = 321,753,449,873.09
  5. Step 5: Solve for x
    x = 321,753,449,873.09/882,855.36
  6. Step 6: Final answer
    x = 364,446.39

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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.