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Finding the Fourth Proportional to 444,848.42, 667,370.64 and 129,329.93

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Solution

The fourth proportional to 444,848.42, 667,370.64 and 129,329.93 is: 194,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,848.42 : 667,370.64 = 129,329.93 : x
  2. Step 2: Convert to fraction form
    444,848.42/667,370.64 = 129,329.93/x
  3. Step 3: Cross multiply
    444,848.42x = 667,370.64 × 129,329.93
  4. Step 4: Simplify right side
    444,848.42x = 86,310,998,155.26
  5. Step 5: Solve for x
    x = 86,310,998,155.26/444,848.42
  6. Step 6: Final answer
    x = 194,023.39

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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.