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Finding the Fourth Proportional to 450,804.96, 622,067.76 and 269,480.88

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Solution

The fourth proportional to 450,804.96, 622,067.76 and 269,480.88 is: 371,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,804.96 : 622,067.76 = 269,480.88 : x
  2. Step 2: Convert to fraction form
    450,804.96/622,067.76 = 269,480.88/x
  3. Step 3: Cross multiply
    450,804.96x = 622,067.76 × 269,480.88
  4. Step 4: Simplify right side
    450,804.96x = 167,635,367,384.43
  5. Step 5: Solve for x
    x = 167,635,367,384.43/450,804.96
  6. Step 6: Final answer
    x = 371,857.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.