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Finding the Fourth Proportional to 368,137.62, 508,051.17 and 206,992.98

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Solution

The fourth proportional to 368,137.62, 508,051.17 and 206,992.98 is: 285,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,137.62 : 508,051.17 = 206,992.98 : x
  2. Step 2: Convert to fraction form
    368,137.62/508,051.17 = 206,992.98/x
  3. Step 3: Cross multiply
    368,137.62x = 508,051.17 × 206,992.98
  4. Step 4: Simplify right side
    368,137.62x = 105,163,025,670.79
  5. Step 5: Solve for x
    x = 105,163,025,670.79/368,137.62
  6. Step 6: Final answer
    x = 285,662.26

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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.