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Finding the Fourth Proportional to 471,635.57, 650,746.41 and 267,640.31

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Solution

The fourth proportional to 471,635.57, 650,746.41 and 267,640.31 is: 369,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,635.57 : 650,746.41 = 267,640.31 : x
  2. Step 2: Convert to fraction form
    471,635.57/650,746.41 = 267,640.31/x
  3. Step 3: Cross multiply
    471,635.57x = 650,746.41 × 267,640.31
  4. Step 4: Simplify right side
    471,635.57x = 174,165,967,650.06
  5. Step 5: Solve for x
    x = 174,165,967,650.06/471,635.57
  6. Step 6: Final answer
    x = 369,280.82

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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.