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Finding the Fourth Proportional to 444,898.46, 667,461.44 and 129,355.37

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Solution

The fourth proportional to 444,898.46, 667,461.44 and 129,355.37 is: 194,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,898.46 : 667,461.44 = 129,355.37 : x
  2. Step 2: Convert to fraction form
    444,898.46/667,461.44 = 129,355.37/x
  3. Step 3: Cross multiply
    444,898.46x = 667,461.44 × 129,355.37
  4. Step 4: Simplify right side
    444,898.46x = 86,339,717,547.85
  5. Step 5: Solve for x
    x = 86,339,717,547.85/444,898.46
  6. Step 6: Final answer
    x = 194,066.12

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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.