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Finding the Fourth Proportional to 445,883.36, 668,847 and 179,607.92

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Solution

The fourth proportional to 445,883.36, 668,847 and 179,607.92 is: 269,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,883.36 : 668,847 = 179,607.92 : x
  2. Step 2: Convert to fraction form
    445,883.36/668,847 = 179,607.92/x
  3. Step 3: Cross multiply
    445,883.36x = 668,847 × 179,607.92
  4. Step 4: Simplify right side
    445,883.36x = 120,130,218,468.24
  5. Step 5: Solve for x
    x = 120,130,218,468.24/445,883.36
  6. Step 6: Final answer
    x = 269,420.73

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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.