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Finding the Fourth Proportional to 304,743.60, 456,078.60 and 267,418.80

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Solution

The fourth proportional to 304,743.60, 456,078.60 and 267,418.80 is: 400,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,743.60 : 456,078.60 = 267,418.80 : x
  2. Step 2: Convert to fraction form
    304,743.60/456,078.60 = 267,418.80/x
  3. Step 3: Cross multiply
    304,743.60x = 456,078.60 × 267,418.80
  4. Step 4: Simplify right side
    304,743.60x = 121,963,991,917.68
  5. Step 5: Solve for x
    x = 121,963,991,917.68/304,743.60
  6. Step 6: Final answer
    x = 400,218.39

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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.