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Finding the Fourth Proportional to 444,895.88, 667,457.51 and 129,352.79

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Solution

The fourth proportional to 444,895.88, 667,457.51 and 129,352.79 is: 194,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,895.88 : 667,457.51 = 129,352.79 : x
  2. Step 2: Convert to fraction form
    444,895.88/667,457.51 = 129,352.79/x
  3. Step 3: Cross multiply
    444,895.88x = 667,457.51 × 129,352.79
  4. Step 4: Simplify right side
    444,895.88x = 86,337,492,146.83
  5. Step 5: Solve for x
    x = 86,337,492,146.83/444,895.88
  6. Step 6: Final answer
    x = 194,062.24

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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.