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Finding the Fourth Proportional to 444,727.40, 666,860.70 and 164,100.20

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Solution

The fourth proportional to 444,727.40, 666,860.70 and 164,100.20 is: 246,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,727.40 : 666,860.70 = 164,100.20 : x
  2. Step 2: Convert to fraction form
    444,727.40/666,860.70 = 164,100.20/x
  3. Step 3: Cross multiply
    444,727.40x = 666,860.70 × 164,100.20
  4. Step 4: Simplify right side
    444,727.40x = 109,431,974,242.14
  5. Step 5: Solve for x
    x = 109,431,974,242.14/444,727.40
  6. Step 6: Final answer
    x = 246,065.28

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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.