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Finding the Fourth Proportional to 464,101.22, 640,336.17 and 267,817.97

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Solution

The fourth proportional to 464,101.22, 640,336.17 and 267,817.97 is: 369,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,101.22 : 640,336.17 = 267,817.97 : x
  2. Step 2: Convert to fraction form
    464,101.22/640,336.17 = 267,817.97/x
  3. Step 3: Cross multiply
    464,101.22x = 640,336.17 × 267,817.97
  4. Step 4: Simplify right side
    464,101.22x = 171,493,533,594.57
  5. Step 5: Solve for x
    x = 171,493,533,594.57/464,101.22
  6. Step 6: Final answer
    x = 369,517.52

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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.