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Finding the Fourth Proportional to 570,992.72, 856,489.72 and 171,633.48

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Solution

The fourth proportional to 570,992.72, 856,489.72 and 171,633.48 is: 257,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,992.72 : 856,489.72 = 171,633.48 : x
  2. Step 2: Convert to fraction form
    570,992.72/856,489.72 = 171,633.48/x
  3. Step 3: Cross multiply
    570,992.72x = 856,489.72 × 171,633.48
  4. Step 4: Simplify right side
    570,992.72x = 147,002,313,209.19
  5. Step 5: Solve for x
    x = 147,002,313,209.19/570,992.72
  6. Step 6: Final answer
    x = 257,450.42

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Similar ratio
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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.