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Finding the Fourth Proportional to 372,519.28, 514,076.56 and 202,754.64

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Solution

The fourth proportional to 372,519.28, 514,076.56 and 202,754.64 is: 279,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,519.28 : 514,076.56 = 202,754.64 : x
  2. Step 2: Convert to fraction form
    372,519.28/514,076.56 = 202,754.64/x
  3. Step 3: Cross multiply
    372,519.28x = 514,076.56 × 202,754.64
  4. Step 4: Simplify right side
    372,519.28x = 104,231,407,855.24
  5. Step 5: Solve for x
    x = 104,231,407,855.24/372,519.28
  6. Step 6: Final answer
    x = 279,801.38

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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.