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Finding the Fourth Proportional to 444,215.34, 666,311.94 and 207,822.51

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Solution

The fourth proportional to 444,215.34, 666,311.94 and 207,822.51 is: 311,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,215.34 : 666,311.94 = 207,822.51 : x
  2. Step 2: Convert to fraction form
    444,215.34/666,311.94 = 207,822.51/x
  3. Step 3: Cross multiply
    444,215.34x = 666,311.94 × 207,822.51
  4. Step 4: Simplify right side
    444,215.34x = 138,474,619,813.77
  5. Step 5: Solve for x
    x = 138,474,619,813.77/444,215.34
  6. Step 6: Final answer
    x = 311,728.59

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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.