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Finding the Fourth Proportional to 347,906.14, 480,341.75 and 267,189.44

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Solution

The fourth proportional to 347,906.14, 480,341.75 and 267,189.44 is: 368,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,906.14 : 480,341.75 = 267,189.44 : x
  2. Step 2: Convert to fraction form
    347,906.14/480,341.75 = 267,189.44/x
  3. Step 3: Cross multiply
    347,906.14x = 480,341.75 × 267,189.44
  4. Step 4: Simplify right side
    347,906.14x = 128,342,239,453.46
  5. Step 5: Solve for x
    x = 128,342,239,453.46/347,906.14
  6. Step 6: Final answer
    x = 368,899.04

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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.