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Finding the Fourth Proportional to 467,745.59, 645,485.77 and 263,798.27

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Solution

The fourth proportional to 467,745.59, 645,485.77 and 263,798.27 is: 364,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,745.59 : 645,485.77 = 263,798.27 : x
  2. Step 2: Convert to fraction form
    467,745.59/645,485.77 = 263,798.27/x
  3. Step 3: Cross multiply
    467,745.59x = 645,485.77 × 263,798.27
  4. Step 4: Simplify right side
    467,745.59x = 170,278,029,435.62
  5. Step 5: Solve for x
    x = 170,278,029,435.62/467,745.59
  6. Step 6: Final answer
    x = 364,039.84

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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.