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Finding the Fourth Proportional to 270,133.60, 404,665.80 and 236,891.20

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Solution

The fourth proportional to 270,133.60, 404,665.80 and 236,891.20 is: 354,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,133.60 : 404,665.80 = 236,891.20 : x
  2. Step 2: Convert to fraction form
    270,133.60/404,665.80 = 236,891.20/x
  3. Step 3: Cross multiply
    270,133.60x = 404,665.80 × 236,891.20
  4. Step 4: Simplify right side
    270,133.60x = 95,861,766,960.96
  5. Step 5: Solve for x
    x = 95,861,766,960.96/270,133.60
  6. Step 6: Final answer
    x = 354,867.99

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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.