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Finding the Fourth Proportional to 449,124.74, 619,793.26 and 245,175.80

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Solution

The fourth proportional to 449,124.74, 619,793.26 and 245,175.80 is: 338,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,124.74 : 619,793.26 = 245,175.80 : x
  2. Step 2: Convert to fraction form
    449,124.74/619,793.26 = 245,175.80/x
  3. Step 3: Cross multiply
    449,124.74x = 619,793.26 × 245,175.80
  4. Step 4: Simplify right side
    449,124.74x = 151,958,308,355.11
  5. Step 5: Solve for x
    x = 151,958,308,355.11/449,124.74
  6. Step 6: Final answer
    x = 338,343.21

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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.