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Finding the Fourth Proportional to 571,108.22, 856,475.47 and 267,408.36

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Solution

The fourth proportional to 571,108.22, 856,475.47 and 267,408.36 is: 401,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,108.22 : 856,475.47 = 267,408.36 : x
  2. Step 2: Convert to fraction form
    571,108.22/856,475.47 = 267,408.36/x
  3. Step 3: Cross multiply
    571,108.22x = 856,475.47 × 267,408.36
  4. Step 4: Simplify right side
    571,108.22x = 229,028,700,812.93
  5. Step 5: Solve for x
    x = 229,028,700,812.93/571,108.22
  6. Step 6: Final answer
    x = 401,025.05

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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.