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Finding the Fourth Proportional to 324,200.60, 486,847.65 and 270,837.80

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Solution

The fourth proportional to 324,200.60, 486,847.65 and 270,837.80 is: 406,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,200.60 : 486,847.65 = 270,837.80 : x
  2. Step 2: Convert to fraction form
    324,200.60/486,847.65 = 270,837.80/x
  3. Step 3: Cross multiply
    324,200.60x = 486,847.65 × 270,837.80
  4. Step 4: Simplify right side
    324,200.60x = 131,856,746,461.17
  5. Step 5: Solve for x
    x = 131,856,746,461.17/324,200.60
  6. Step 6: Final answer
    x = 406,713.46

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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.