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Finding the Fourth Proportional to 322,160.88, 444,575.16 and 178,918.32

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Solution

The fourth proportional to 322,160.88, 444,575.16 and 178,918.32 is: 246,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,160.88 : 444,575.16 = 178,918.32 : x
  2. Step 2: Convert to fraction form
    322,160.88/444,575.16 = 178,918.32/x
  3. Step 3: Cross multiply
    322,160.88x = 444,575.16 × 178,918.32
  4. Step 4: Simplify right side
    322,160.88x = 79,542,640,740.93
  5. Step 5: Solve for x
    x = 79,542,640,740.93/322,160.88
  6. Step 6: Final answer
    x = 246,903.47

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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.