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Finding the Fourth Proportional to 445,494.87, 668,574.44 and 179,257.65

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Solution

The fourth proportional to 445,494.87, 668,574.44 and 179,257.65 is: 269,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,494.87 : 668,574.44 = 179,257.65 : x
  2. Step 2: Convert to fraction form
    445,494.87/668,574.44 = 179,257.65/x
  3. Step 3: Cross multiply
    445,494.87x = 668,574.44 × 179,257.65
  4. Step 4: Simplify right side
    445,494.87x = 119,847,084,411.83
  5. Step 5: Solve for x
    x = 119,847,084,411.83/445,494.87
  6. Step 6: Final answer
    x = 269,020.12

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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.