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Finding the Fourth Proportional to 444,494.18, 666,673.61 and 144,974.34

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Solution

The fourth proportional to 444,494.18, 666,673.61 and 144,974.34 is: 217,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,494.18 : 666,673.61 = 144,974.34 : x
  2. Step 2: Convert to fraction form
    444,494.18/666,673.61 = 144,974.34/x
  3. Step 3: Cross multiply
    444,494.18x = 666,673.61 × 144,974.34
  4. Step 4: Simplify right side
    444,494.18x = 96,650,565,880.30
  5. Step 5: Solve for x
    x = 96,650,565,880.30/444,494.18
  6. Step 6: Final answer
    x = 217,439.44

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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.