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Finding the Fourth Proportional to 571,106.22, 856,472.47 and 267,406.36

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Solution

The fourth proportional to 571,106.22, 856,472.47 and 267,406.36 is: 401,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,106.22 : 856,472.47 = 267,406.36 : x
  2. Step 2: Convert to fraction form
    571,106.22/856,472.47 = 267,406.36/x
  3. Step 3: Cross multiply
    571,106.22x = 856,472.47 × 267,406.36
  4. Step 4: Simplify right side
    571,106.22x = 229,026,185,642.91
  5. Step 5: Solve for x
    x = 229,026,185,642.91/571,106.22
  6. Step 6: Final answer
    x = 401,022.05

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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.