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Finding the Fourth Proportional to 479,327.22, 661,467.87 and 264,476.34

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Solution

The fourth proportional to 479,327.22, 661,467.87 and 264,476.34 is: 364,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,327.22 : 661,467.87 = 264,476.34 : x
  2. Step 2: Convert to fraction form
    479,327.22/661,467.87 = 264,476.34/x
  3. Step 3: Cross multiply
    479,327.22x = 661,467.87 × 264,476.34
  4. Step 4: Simplify right side
    479,327.22x = 174,942,601,285.20
  5. Step 5: Solve for x
    x = 174,942,601,285.20/479,327.22
  6. Step 6: Final answer
    x = 364,975.31

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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.