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Finding the Fourth Proportional to 340,954.44, 470,520.81 and 187,992.92

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Solution

The fourth proportional to 340,954.44, 470,520.81 and 187,992.92 is: 259,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,954.44 : 470,520.81 = 187,992.92 : x
  2. Step 2: Convert to fraction form
    340,954.44/470,520.81 = 187,992.92/x
  3. Step 3: Cross multiply
    340,954.44x = 470,520.81 × 187,992.92
  4. Step 4: Simplify right side
    340,954.44x = 88,454,582,168.97
  5. Step 5: Solve for x
    x = 88,454,582,168.97/340,954.44
  6. Step 6: Final answer
    x = 259,432.27

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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.