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Finding the Fourth Proportional to 449,124.75, 619,793.26 and 245,175.81

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Solution

The fourth proportional to 449,124.75, 619,793.26 and 245,175.81 is: 338,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,124.75 : 619,793.26 = 245,175.81 : x
  2. Step 2: Convert to fraction form
    449,124.75/619,793.26 = 245,175.81/x
  3. Step 3: Cross multiply
    449,124.75x = 619,793.26 × 245,175.81
  4. Step 4: Simplify right side
    449,124.75x = 151,958,314,553.04
  5. Step 5: Solve for x
    x = 151,958,314,553.04/449,124.75
  6. Step 6: Final answer
    x = 338,343.22

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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.