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Finding the Fourth Proportional to 449,161.81, 619,833.26 and 245,204.82

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Solution

The fourth proportional to 449,161.81, 619,833.26 and 245,204.82 is: 338,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,161.81 : 619,833.26 = 245,204.82 : x
  2. Step 2: Convert to fraction form
    449,161.81/619,833.26 = 245,204.82/x
  3. Step 3: Cross multiply
    449,161.81x = 619,833.26 × 245,204.82
  4. Step 4: Simplify right side
    449,161.81x = 151,986,103,561.33
  5. Step 5: Solve for x
    x = 151,986,103,561.33/449,161.81
  6. Step 6: Final answer
    x = 338,377.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.