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Finding the Fourth Proportional to 483,789.51, 725,861.66 and 168,336.63

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Solution

The fourth proportional to 483,789.51, 725,861.66 and 168,336.63 is: 252,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,789.51 : 725,861.66 = 168,336.63 : x
  2. Step 2: Convert to fraction form
    483,789.51/725,861.66 = 168,336.63/x
  3. Step 3: Cross multiply
    483,789.51x = 725,861.66 × 168,336.63
  4. Step 4: Simplify right side
    483,789.51x = 122,189,104,848.92
  5. Step 5: Solve for x
    x = 122,189,104,848.92/483,789.51
  6. Step 6: Final answer
    x = 252,566.67

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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.