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Finding the Fourth Proportional to 580,594.92, 870,947.46 and 225,636.36

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Solution

The fourth proportional to 580,594.92, 870,947.46 and 225,636.36 is: 338,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,594.92 : 870,947.46 = 225,636.36 : x
  2. Step 2: Convert to fraction form
    580,594.92/870,947.46 = 225,636.36/x
  3. Step 3: Cross multiply
    580,594.92x = 870,947.46 × 225,636.36
  4. Step 4: Simplify right side
    580,594.92x = 196,517,414,625.65
  5. Step 5: Solve for x
    x = 196,517,414,625.65/580,594.92
  6. Step 6: Final answer
    x = 338,475.95

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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.