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Finding the Fourth Proportional to 392,956.56, 589,847.22 and 348,264

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Solution

The fourth proportional to 392,956.56, 589,847.22 and 348,264 is: 522,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,956.56 : 589,847.22 = 348,264 : x
  2. Step 2: Convert to fraction form
    392,956.56/589,847.22 = 348,264/x
  3. Step 3: Cross multiply
    392,956.56x = 589,847.22 × 348,264
  4. Step 4: Simplify right side
    392,956.56x = 205,422,552,226.08
  5. Step 5: Solve for x
    x = 205,422,552,226.08/392,956.56
  6. Step 6: Final answer
    x = 522,761.48

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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.