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Finding the Fourth Proportional to 362,940.77, 543,346.56 and 254,494.10

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Solution

The fourth proportional to 362,940.77, 543,346.56 and 254,494.10 is: 380,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,940.77 : 543,346.56 = 254,494.10 : x
  2. Step 2: Convert to fraction form
    362,940.77/543,346.56 = 254,494.10/x
  3. Step 3: Cross multiply
    362,940.77x = 543,346.56 × 254,494.10
  4. Step 4: Simplify right side
    362,940.77x = 138,278,491,058.56
  5. Step 5: Solve for x
    x = 138,278,491,058.56/362,940.77
  6. Step 6: Final answer
    x = 380,994.65

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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.