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Finding the Fourth Proportional to 330,086.94, 455,522.31 and 179,183.94

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Solution

The fourth proportional to 330,086.94, 455,522.31 and 179,183.94 is: 247,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,086.94 : 455,522.31 = 179,183.94 : x
  2. Step 2: Convert to fraction form
    330,086.94/455,522.31 = 179,183.94/x
  3. Step 3: Cross multiply
    330,086.94x = 455,522.31 × 179,183.94
  4. Step 4: Simplify right side
    330,086.94x = 81,622,282,263.70
  5. Step 5: Solve for x
    x = 81,622,282,263.70/330,086.94
  6. Step 6: Final answer
    x = 247,275.10

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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.