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Finding the Fourth Proportional to 452,736.54, 624,728.70 and 261,811.44

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Solution

The fourth proportional to 452,736.54, 624,728.70 and 261,811.44 is: 361,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,736.54 : 624,728.70 = 261,811.44 : x
  2. Step 2: Convert to fraction form
    452,736.54/624,728.70 = 261,811.44/x
  3. Step 3: Cross multiply
    452,736.54x = 624,728.70 × 261,811.44
  4. Step 4: Simplify right side
    452,736.54x = 163,561,120,556.33
  5. Step 5: Solve for x
    x = 163,561,120,556.33/452,736.54
  6. Step 6: Final answer
    x = 361,272.19

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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.