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Finding the Fourth Proportional to 339,767.30, 468,879.17 and 186,808.12

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Solution

The fourth proportional to 339,767.30, 468,879.17 and 186,808.12 is: 257,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,767.30 : 468,879.17 = 186,808.12 : x
  2. Step 2: Convert to fraction form
    339,767.30/468,879.17 = 186,808.12/x
  3. Step 3: Cross multiply
    339,767.30x = 468,879.17 × 186,808.12
  4. Step 4: Simplify right side
    339,767.30x = 87,590,434,148.62
  5. Step 5: Solve for x
    x = 87,590,434,148.62/339,767.30
  6. Step 6: Final answer
    x = 257,795.36

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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.