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Finding the Fourth Proportional to 571,106.72, 856,473.23 and 267,406.86

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Solution

The fourth proportional to 571,106.72, 856,473.23 and 267,406.86 is: 401,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,106.72 : 856,473.23 = 267,406.86 : x
  2. Step 2: Convert to fraction form
    571,106.72/856,473.23 = 267,406.86/x
  3. Step 3: Cross multiply
    571,106.72x = 856,473.23 × 267,406.86
  4. Step 4: Simplify right side
    571,106.72x = 229,026,815,771.32
  5. Step 5: Solve for x
    x = 229,026,815,771.32/571,106.72
  6. Step 6: Final answer
    x = 401,022.80

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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.