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Finding the Fourth Proportional to 506,067.82, 758,853.87 and 168,992.80

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Solution

The fourth proportional to 506,067.82, 758,853.87 and 168,992.80 is: 253,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,067.82 : 758,853.87 = 168,992.80 : x
  2. Step 2: Convert to fraction form
    506,067.82/758,853.87 = 168,992.80/x
  3. Step 3: Cross multiply
    506,067.82x = 758,853.87 × 168,992.80
  4. Step 4: Simplify right side
    506,067.82x = 128,240,837,751.28
  5. Step 5: Solve for x
    x = 128,240,837,751.28/506,067.82
  6. Step 6: Final answer
    x = 253,406.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.