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Finding the Fourth Proportional to 441,856.80, 662,979.60 and 205,077.60

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Solution

The fourth proportional to 441,856.80, 662,979.60 and 205,077.60 is: 307,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,856.80 : 662,979.60 = 205,077.60 : x
  2. Step 2: Convert to fraction form
    441,856.80/662,979.60 = 205,077.60/x
  3. Step 3: Cross multiply
    441,856.80x = 662,979.60 × 205,077.60
  4. Step 4: Simplify right side
    441,856.80x = 135,962,265,216.96
  5. Step 5: Solve for x
    x = 135,962,265,216.96/441,856.80
  6. Step 6: Final answer
    x = 307,706.63

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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.