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Finding the Fourth Proportional to 444,865.08, 667,401.30 and 145,359.48

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Solution

The fourth proportional to 444,865.08, 667,401.30 and 145,359.48 is: 218,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,865.08 : 667,401.30 = 145,359.48 : x
  2. Step 2: Convert to fraction form
    444,865.08/667,401.30 = 145,359.48/x
  3. Step 3: Cross multiply
    444,865.08x = 667,401.30 × 145,359.48
  4. Step 4: Simplify right side
    444,865.08x = 97,013,105,919.32
  5. Step 5: Solve for x
    x = 97,013,105,919.32/444,865.08
  6. Step 6: Final answer
    x = 218,073.10

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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.