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Finding the Fourth Proportional to 378,994.08, 568,291.20 and 335,826.36

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Solution

The fourth proportional to 378,994.08, 568,291.20 and 335,826.36 is: 503,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,994.08 : 568,291.20 = 335,826.36 : x
  2. Step 2: Convert to fraction form
    378,994.08/568,291.20 = 335,826.36/x
  3. Step 3: Cross multiply
    378,994.08x = 568,291.20 × 335,826.36
  4. Step 4: Simplify right side
    378,994.08x = 190,847,165,116.03
  5. Step 5: Solve for x
    x = 190,847,165,116.03/378,994.08
  6. Step 6: Final answer
    x = 503,562.39

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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.