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Finding the Fourth Proportional to 571,843.08, 789,179.22 and 330,169.86

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Solution

The fourth proportional to 571,843.08, 789,179.22 and 330,169.86 is: 455,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,843.08 : 789,179.22 = 330,169.86 : x
  2. Step 2: Convert to fraction form
    571,843.08/789,179.22 = 330,169.86/x
  3. Step 3: Cross multiply
    571,843.08x = 789,179.22 × 330,169.86
  4. Step 4: Simplify right side
    571,843.08x = 260,563,192,582.31
  5. Step 5: Solve for x
    x = 260,563,192,582.31/571,843.08
  6. Step 6: Final answer
    x = 455,655.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.