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Finding the Fourth Proportional to 441,790.50, 662,685.75 and 109,366.50

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Solution

The fourth proportional to 441,790.50, 662,685.75 and 109,366.50 is: 164,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,790.50 : 662,685.75 = 109,366.50 : x
  2. Step 2: Convert to fraction form
    441,790.50/662,685.75 = 109,366.50/x
  3. Step 3: Cross multiply
    441,790.50x = 662,685.75 × 109,366.50
  4. Step 4: Simplify right side
    441,790.50x = 72,475,621,077.38
  5. Step 5: Solve for x
    x = 72,475,621,077.38/441,790.50
  6. Step 6: Final answer
    x = 164,049.75

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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.