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Finding the Fourth Proportional to 465,046.77, 641,758.92 and 261,092.64

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Solution

The fourth proportional to 465,046.77, 641,758.92 and 261,092.64 is: 360,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,046.77 : 641,758.92 = 261,092.64 : x
  2. Step 2: Convert to fraction form
    465,046.77/641,758.92 = 261,092.64/x
  3. Step 3: Cross multiply
    465,046.77x = 641,758.92 × 261,092.64
  4. Step 4: Simplify right side
    465,046.77x = 167,558,530,666.35
  5. Step 5: Solve for x
    x = 167,558,530,666.35/465,046.77
  6. Step 6: Final answer
    x = 360,304.69

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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.