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Finding the Fourth Proportional to 571,078.10, 856,011.38 and 267,216.24

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Solution

The fourth proportional to 571,078.10, 856,011.38 and 267,216.24 is: 400,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,078.10 : 856,011.38 = 267,216.24 : x
  2. Step 2: Convert to fraction form
    571,078.10/856,011.38 = 267,216.24/x
  3. Step 3: Cross multiply
    571,078.10x = 856,011.38 × 267,216.24
  4. Step 4: Simplify right side
    571,078.10x = 228,740,141,024.73
  5. Step 5: Solve for x
    x = 228,740,141,024.73/571,078.10
  6. Step 6: Final answer
    x = 400,540.91

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1.5x scale

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.