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Finding the Fourth Proportional to 327,097.60, 490,646.40 and 227,046.40

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Solution

The fourth proportional to 327,097.60, 490,646.40 and 227,046.40 is: 340,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,097.60 : 490,646.40 = 227,046.40 : x
  2. Step 2: Convert to fraction form
    327,097.60/490,646.40 = 227,046.40/x
  3. Step 3: Cross multiply
    327,097.60x = 490,646.40 × 227,046.40
  4. Step 4: Simplify right side
    327,097.60x = 111,399,498,792.96
  5. Step 5: Solve for x
    x = 111,399,498,792.96/327,097.60
  6. Step 6: Final answer
    x = 340,569.60

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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.