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Finding the Fourth Proportional to 495,190.36, 743,061.53 and 267,481.39

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Solution

The fourth proportional to 495,190.36, 743,061.53 and 267,481.39 is: 401,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,190.36 : 743,061.53 = 267,481.39 : x
  2. Step 2: Convert to fraction form
    495,190.36/743,061.53 = 267,481.39/x
  3. Step 3: Cross multiply
    495,190.36x = 743,061.53 × 267,481.39
  4. Step 4: Simplify right side
    495,190.36x = 198,755,130,899.93
  5. Step 5: Solve for x
    x = 198,755,130,899.93/495,190.36
  6. Step 6: Final answer
    x = 401,371.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.