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Finding the Fourth Proportional to 444,729.40, 666,863.70 and 164,102.20

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Solution

The fourth proportional to 444,729.40, 666,863.70 and 164,102.20 is: 246,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,729.40 : 666,863.70 = 164,102.20 : x
  2. Step 2: Convert to fraction form
    444,729.40/666,863.70 = 164,102.20/x
  3. Step 3: Cross multiply
    444,729.40x = 666,863.70 × 164,102.20
  4. Step 4: Simplify right side
    444,729.40x = 109,433,800,270.14
  5. Step 5: Solve for x
    x = 109,433,800,270.14/444,729.40
  6. Step 6: Final answer
    x = 246,068.28

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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.