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Finding the Fourth Proportional to 323,690.11, 446,694.24 and 187,804.95

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Solution

The fourth proportional to 323,690.11, 446,694.24 and 187,804.95 is: 259,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,690.11 : 446,694.24 = 187,804.95 : x
  2. Step 2: Convert to fraction form
    323,690.11/446,694.24 = 187,804.95/x
  3. Step 3: Cross multiply
    323,690.11x = 446,694.24 × 187,804.95
  4. Step 4: Simplify right side
    323,690.11x = 83,891,388,437.65
  5. Step 5: Solve for x
    x = 83,891,388,437.65/323,690.11
  6. Step 6: Final answer
    x = 259,171.93

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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.