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Finding the Fourth Proportional to 273,886.40, 410,829.60 and 251,076.80

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Solution

The fourth proportional to 273,886.40, 410,829.60 and 251,076.80 is: 376,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,886.40 : 410,829.60 = 251,076.80 : x
  2. Step 2: Convert to fraction form
    273,886.40/410,829.60 = 251,076.80/x
  3. Step 3: Cross multiply
    273,886.40x = 410,829.60 × 251,076.80
  4. Step 4: Simplify right side
    273,886.40x = 103,149,781,313.28
  5. Step 5: Solve for x
    x = 103,149,781,313.28/273,886.40
  6. Step 6: Final answer
    x = 376,615.20

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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.