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Finding the Fourth Proportional to 571,107.67, 856,474.63 and 267,407.82

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Solution

The fourth proportional to 571,107.67, 856,474.63 and 267,407.82 is: 401,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,107.67 : 856,474.63 = 267,407.82 : x
  2. Step 2: Convert to fraction form
    571,107.67/856,474.63 = 267,407.82/x
  3. Step 3: Cross multiply
    571,107.67x = 856,474.63 × 267,407.82
  4. Step 4: Simplify right side
    571,107.67x = 229,028,013,025.09
  5. Step 5: Solve for x
    x = 229,028,013,025.09/571,107.67
  6. Step 6: Final answer
    x = 401,024.23

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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.