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Finding the Fourth Proportional to 570,591.96, 855,887.04 and 171,231.96

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Solution

The fourth proportional to 570,591.96, 855,887.04 and 171,231.96 is: 256,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,591.96 : 855,887.04 = 171,231.96 : x
  2. Step 2: Convert to fraction form
    570,591.96/855,887.04 = 171,231.96/x
  3. Step 3: Cross multiply
    570,591.96x = 855,887.04 × 171,231.96
  4. Step 4: Simplify right side
    570,591.96x = 146,555,215,397.80
  5. Step 5: Solve for x
    x = 146,555,215,397.80/570,591.96
  6. Step 6: Final answer
    x = 256,847.67

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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.