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Finding the Fourth Proportional to 322,367.67, 482,886.99 and 188,843.15

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Solution

The fourth proportional to 322,367.67, 482,886.99 and 188,843.15 is: 282,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,367.67 : 482,886.99 = 188,843.15 : x
  2. Step 2: Convert to fraction form
    322,367.67/482,886.99 = 188,843.15/x
  3. Step 3: Cross multiply
    322,367.67x = 482,886.99 × 188,843.15
  4. Step 4: Simplify right side
    322,367.67x = 91,189,897,871.18
  5. Step 5: Solve for x
    x = 91,189,897,871.18/322,367.67
  6. Step 6: Final answer
    x = 282,875.44

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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.