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Finding the Fourth Proportional to 479,137.73, 661,207.38 and 264,277.31

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Solution

The fourth proportional to 479,137.73, 661,207.38 and 264,277.31 is: 364,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,137.73 : 661,207.38 = 264,277.31 : x
  2. Step 2: Convert to fraction form
    479,137.73/661,207.38 = 264,277.31/x
  3. Step 3: Cross multiply
    479,137.73x = 661,207.38 × 264,277.31
  4. Step 4: Simplify right side
    479,137.73x = 174,742,107,738.55
  5. Step 5: Solve for x
    x = 174,742,107,738.55/479,137.73
  6. Step 6: Final answer
    x = 364,701.21

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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.