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Finding the Fourth Proportional to 548,858.56, 823,278.88 and 174,876.48

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Solution

The fourth proportional to 548,858.56, 823,278.88 and 174,876.48 is: 262,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,858.56 : 823,278.88 = 174,876.48 : x
  2. Step 2: Convert to fraction form
    548,858.56/823,278.88 = 174,876.48/x
  3. Step 3: Cross multiply
    548,858.56x = 823,278.88 × 174,876.48
  4. Step 4: Simplify right side
    548,858.56x = 143,972,112,592.74
  5. Step 5: Solve for x
    x = 143,972,112,592.74/548,858.56
  6. Step 6: Final answer
    x = 262,311.87

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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.