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Finding the Fourth Proportional to 441,786, 662,679 and 109,362

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Solution

The fourth proportional to 441,786, 662,679 and 109,362 is: 164,043

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,786 : 662,679 = 109,362 : x
  2. Step 2: Convert to fraction form
    441,786/662,679 = 109,362/x
  3. Step 3: Cross multiply
    441,786x = 662,679 × 109,362
  4. Step 4: Simplify right side
    441,786x = 72,471,900,798
  5. Step 5: Solve for x
    x = 72,471,900,798/441,786
  6. Step 6: Final answer
    x = 164,043

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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.