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Finding the Fourth Proportional to 495,605.39, 743,344.43 and 158,617.85

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Solution

The fourth proportional to 495,605.39, 743,344.43 and 158,617.85 is: 237,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,605.39 : 743,344.43 = 158,617.85 : x
  2. Step 2: Convert to fraction form
    495,605.39/743,344.43 = 158,617.85/x
  3. Step 3: Cross multiply
    495,605.39x = 743,344.43 × 158,617.85
  4. Step 4: Simplify right side
    495,605.39x = 117,907,690,786.26
  5. Step 5: Solve for x
    x = 117,907,690,786.26/495,605.39
  6. Step 6: Final answer
    x = 237,906.40

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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.