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Finding the Fourth Proportional to 449,872.25, 620,823.83 and 245,924.06

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Solution

The fourth proportional to 449,872.25, 620,823.83 and 245,924.06 is: 339,375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,872.25 : 620,823.83 = 245,924.06 : x
  2. Step 2: Convert to fraction form
    449,872.25/620,823.83 = 245,924.06/x
  3. Step 3: Cross multiply
    449,872.25x = 620,823.83 × 245,924.06
  4. Step 4: Simplify right side
    449,872.25x = 152,675,512,484.61
  5. Step 5: Solve for x
    x = 152,675,512,484.61/449,872.25
  6. Step 6: Final answer
    x = 339,375.27

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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.