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Finding the Fourth Proportional to 322,140.94, 444,560.52 and 178,914.40

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Solution

The fourth proportional to 322,140.94, 444,560.52 and 178,914.40 is: 246,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,140.94 : 444,560.52 = 178,914.40 : x
  2. Step 2: Convert to fraction form
    322,140.94/444,560.52 = 178,914.40/x
  3. Step 3: Cross multiply
    322,140.94x = 444,560.52 × 178,914.40
  4. Step 4: Simplify right side
    322,140.94x = 79,538,278,699.49
  5. Step 5: Solve for x
    x = 79,538,278,699.49/322,140.94
  6. Step 6: Final answer
    x = 246,905.22

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1.5x scale

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.