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Finding the Fourth Proportional to 270,906.20, 406,407.90 and 113,150.60

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Solution

The fourth proportional to 270,906.20, 406,407.90 and 113,150.60 is: 169,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,906.20 : 406,407.90 = 113,150.60 : x
  2. Step 2: Convert to fraction form
    270,906.20/406,407.90 = 113,150.60/x
  3. Step 3: Cross multiply
    270,906.20x = 406,407.90 × 113,150.60
  4. Step 4: Simplify right side
    270,906.20x = 45,985,297,729.74
  5. Step 5: Solve for x
    x = 45,985,297,729.74/270,906.20
  6. Step 6: Final answer
    x = 169,746.20

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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.