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Finding the Fourth Proportional to 624,502.35, 936,179.42 and 225,045.45

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Solution

The fourth proportional to 624,502.35, 936,179.42 and 225,045.45 is: 337,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,502.35 : 936,179.42 = 225,045.45 : x
  2. Step 2: Convert to fraction form
    624,502.35/936,179.42 = 225,045.45/x
  3. Step 3: Cross multiply
    624,502.35x = 936,179.42 × 225,045.45
  4. Step 4: Simplify right side
    624,502.35x = 210,682,917,729.41
  5. Step 5: Solve for x
    x = 210,682,917,729.41/624,502.35
  6. Step 6: Final answer
    x = 337,361.29

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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.