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Finding the Fourth Proportional to 441,616.60, 662,511.30 and 188,896.60

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Solution

The fourth proportional to 441,616.60, 662,511.30 and 188,896.60 is: 283,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,616.60 : 662,511.30 = 188,896.60 : x
  2. Step 2: Convert to fraction form
    441,616.60/662,511.30 = 188,896.60/x
  3. Step 3: Cross multiply
    441,616.60x = 662,511.30 × 188,896.60
  4. Step 4: Simplify right side
    441,616.60x = 125,146,132,031.58
  5. Step 5: Solve for x
    x = 125,146,132,031.58/441,616.60
  6. Step 6: Final answer
    x = 283,381.86

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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.