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Finding the Fourth Proportional to 300,374.83, 450,739.48 and 110,969.24

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Solution

The fourth proportional to 300,374.83, 450,739.48 and 110,969.24 is: 166,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,374.83 : 450,739.48 = 110,969.24 : x
  2. Step 2: Convert to fraction form
    300,374.83/450,739.48 = 110,969.24/x
  3. Step 3: Cross multiply
    300,374.83x = 450,739.48 × 110,969.24
  4. Step 4: Simplify right side
    300,374.83x = 50,018,216,978.75
  5. Step 5: Solve for x
    x = 50,018,216,978.75/300,374.83
  6. Step 6: Final answer
    x = 166,519.34

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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.