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Finding the Fourth Proportional to 500,855.92, 751,371.35 and 220,365.88

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Solution

The fourth proportional to 500,855.92, 751,371.35 and 220,365.88 is: 330,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,855.92 : 751,371.35 = 220,365.88 : x
  2. Step 2: Convert to fraction form
    500,855.92/751,371.35 = 220,365.88/x
  3. Step 3: Cross multiply
    500,855.92x = 751,371.35 × 220,365.88
  4. Step 4: Simplify right side
    500,855.92x = 165,576,608,749.54
  5. Step 5: Solve for x
    x = 165,576,608,749.54/500,855.92
  6. Step 6: Final answer
    x = 330,587.30

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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.