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Finding the Fourth Proportional to 267,628.36, 401,510.04 and 188,896.36

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Solution

The fourth proportional to 267,628.36, 401,510.04 and 188,896.36 is: 283,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,628.36 : 401,510.04 = 188,896.36 : x
  2. Step 2: Convert to fraction form
    267,628.36/401,510.04 = 188,896.36/x
  3. Step 3: Cross multiply
    267,628.36x = 401,510.04 × 188,896.36
  4. Step 4: Simplify right side
    267,628.36x = 75,843,785,059.45
  5. Step 5: Solve for x
    x = 75,843,785,059.45/267,628.36
  6. Step 6: Final answer
    x = 283,392.18

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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.