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Finding the Fourth Proportional to 400,767.75, 601,414.07 and 151,449.75

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Solution

The fourth proportional to 400,767.75, 601,414.07 and 151,449.75 is: 227,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,767.75 : 601,414.07 = 151,449.75 : x
  2. Step 2: Convert to fraction form
    400,767.75/601,414.07 = 151,449.75/x
  3. Step 3: Cross multiply
    400,767.75x = 601,414.07 × 151,449.75
  4. Step 4: Simplify right side
    400,767.75x = 91,084,009,790.73
  5. Step 5: Solve for x
    x = 91,084,009,790.73/400,767.75
  6. Step 6: Final answer
    x = 227,273.80

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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.