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Finding the Fourth Proportional to 399,694.42, 599,245.17 and 241,885.36

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Solution

The fourth proportional to 399,694.42, 599,245.17 and 241,885.36 is: 362,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,694.42 : 599,245.17 = 241,885.36 : x
  2. Step 2: Convert to fraction form
    399,694.42/599,245.17 = 241,885.36/x
  3. Step 3: Cross multiply
    399,694.42x = 599,245.17 × 241,885.36
  4. Step 4: Simplify right side
    399,694.42x = 144,948,633,673.71
  5. Step 5: Solve for x
    x = 144,948,633,673.71/399,694.42
  6. Step 6: Final answer
    x = 362,648.63

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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.