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Finding the Fourth Proportional to 269,555.20, 403,749.60 and 175,076.80

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Solution

The fourth proportional to 269,555.20, 403,749.60 and 175,076.80 is: 262,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,555.20 : 403,749.60 = 175,076.80 : x
  2. Step 2: Convert to fraction form
    269,555.20/403,749.60 = 175,076.80/x
  3. Step 3: Cross multiply
    269,555.20x = 403,749.60 × 175,076.80
  4. Step 4: Simplify right side
    269,555.20x = 70,687,187,969.28
  5. Step 5: Solve for x
    x = 70,687,187,969.28/269,555.20
  6. Step 6: Final answer
    x = 262,236.41

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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.