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Finding the Fourth Proportional to 444,869.70, 667,369.35 and 145,364.10

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Solution

The fourth proportional to 444,869.70, 667,369.35 and 145,364.10 is: 218,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,869.70 : 667,369.35 = 145,364.10 : x
  2. Step 2: Convert to fraction form
    444,869.70/667,369.35 = 145,364.10/x
  3. Step 3: Cross multiply
    444,869.70x = 667,369.35 × 145,364.10
  4. Step 4: Simplify right side
    444,869.70x = 97,011,544,930.34
  5. Step 5: Solve for x
    x = 97,011,544,930.34/444,869.70
  6. Step 6: Final answer
    x = 218,067.32

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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.