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Finding the Fourth Proportional to 356,930.96, 492,578.76 and 195,791.92

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Solution

The fourth proportional to 356,930.96, 492,578.76 and 195,791.92 is: 270,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,930.96 : 492,578.76 = 195,791.92 : x
  2. Step 2: Convert to fraction form
    356,930.96/492,578.76 = 195,791.92/x
  3. Step 3: Cross multiply
    356,930.96x = 492,578.76 × 195,791.92
  4. Step 4: Simplify right side
    356,930.96x = 96,442,941,171.62
  5. Step 5: Solve for x
    x = 96,442,941,171.62/356,930.96
  6. Step 6: Final answer
    x = 270,200.55

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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.