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Finding the Fourth Proportional to 452,564.41, 624,469.53 and 261,540.94

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Solution

The fourth proportional to 452,564.41, 624,469.53 and 261,540.94 is: 360,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,564.41 : 624,469.53 = 261,540.94 : x
  2. Step 2: Convert to fraction form
    452,564.41/624,469.53 = 261,540.94/x
  3. Step 3: Cross multiply
    452,564.41x = 624,469.53 × 261,540.94
  4. Step 4: Simplify right side
    452,564.41x = 163,324,347,877.56
  5. Step 5: Solve for x
    x = 163,324,347,877.56/452,564.41
  6. Step 6: Final answer
    x = 360,886.42

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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.