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Finding the Fourth Proportional to 444,657.92, 666,987.78 and 208,166.67

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Solution

The fourth proportional to 444,657.92, 666,987.78 and 208,166.67 is: 312,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,657.92 : 666,987.78 = 208,166.67 : x
  2. Step 2: Convert to fraction form
    444,657.92/666,987.78 = 208,166.67/x
  3. Step 3: Cross multiply
    444,657.92x = 666,987.78 × 208,166.67
  4. Step 4: Simplify right side
    444,657.92x = 138,844,625,873.92
  5. Step 5: Solve for x
    x = 138,844,625,873.92/444,657.92
  6. Step 6: Final answer
    x = 312,250.43

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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.