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Finding the Fourth Proportional to 270,799.40, 406,199.10 and 192,002.60

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Solution

The fourth proportional to 270,799.40, 406,199.10 and 192,002.60 is: 288,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,799.40 : 406,199.10 = 192,002.60 : x
  2. Step 2: Convert to fraction form
    270,799.40/406,199.10 = 192,002.60/x
  3. Step 3: Cross multiply
    270,799.40x = 406,199.10 × 192,002.60
  4. Step 4: Simplify right side
    270,799.40x = 77,991,283,317.66
  5. Step 5: Solve for x
    x = 77,991,283,317.66/270,799.40
  6. Step 6: Final answer
    x = 288,003.90

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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.