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Finding the Fourth Proportional to 338,630, 467,310.04 and 187,727

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Solution

The fourth proportional to 338,630, 467,310.04 and 187,727 is: 259,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,630 : 467,310.04 = 187,727 : x
  2. Step 2: Convert to fraction form
    338,630/467,310.04 = 187,727/x
  3. Step 3: Cross multiply
    338,630x = 467,310.04 × 187,727
  4. Step 4: Simplify right side
    338,630x = 87,726,711,879.08
  5. Step 5: Solve for x
    x = 87,726,711,879.08/338,630
  6. Step 6: Final answer
    x = 259,063.61

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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.