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Finding the Fourth Proportional to 606,997.80, 910,618.20 and 180,532.80

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Solution

The fourth proportional to 606,997.80, 910,618.20 and 180,532.80 is: 270,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,997.80 : 910,618.20 = 180,532.80 : x
  2. Step 2: Convert to fraction form
    606,997.80/910,618.20 = 180,532.80/x
  3. Step 3: Cross multiply
    606,997.80x = 910,618.20 × 180,532.80
  4. Step 4: Simplify right side
    606,997.80x = 164,396,453,376.96
  5. Step 5: Solve for x
    x = 164,396,453,376.96/606,997.80
  6. Step 6: Final answer
    x = 270,835.34

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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.