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Finding the Fourth Proportional to 252,504.68, 378,757.44 and 202,223.50

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Solution

The fourth proportional to 252,504.68, 378,757.44 and 202,223.50 is: 303,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,504.68 : 378,757.44 = 202,223.50 : x
  2. Step 2: Convert to fraction form
    252,504.68/378,757.44 = 202,223.50/x
  3. Step 3: Cross multiply
    252,504.68x = 378,757.44 × 202,223.50
  4. Step 4: Simplify right side
    252,504.68x = 76,593,655,167.84
  5. Step 5: Solve for x
    x = 76,593,655,167.84/252,504.68
  6. Step 6: Final answer
    x = 303,335.59

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1.5x scale

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.