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Finding the Fourth Proportional to 444,908.58, 667,476.78 and 129,365.58

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Solution

The fourth proportional to 444,908.58, 667,476.78 and 129,365.58 is: 194,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,908.58 : 667,476.78 = 129,365.58 : x
  2. Step 2: Convert to fraction form
    444,908.58/667,476.78 = 129,365.58/x
  3. Step 3: Cross multiply
    444,908.58x = 667,476.78 × 129,365.58
  4. Step 4: Simplify right side
    444,908.58x = 86,348,520,781.23
  5. Step 5: Solve for x
    x = 86,348,520,781.23/444,908.58
  6. Step 6: Final answer
    x = 194,081.49

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1.5x scale

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.