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Finding the Fourth Proportional to 392,108.86, 587,846.49 and 152,098.84

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Solution

The fourth proportional to 392,108.86, 587,846.49 and 152,098.84 is: 228,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,108.86 : 587,846.49 = 152,098.84 : x
  2. Step 2: Convert to fraction form
    392,108.86/587,846.49 = 152,098.84/x
  3. Step 3: Cross multiply
    392,108.86x = 587,846.49 × 152,098.84
  4. Step 4: Simplify right side
    392,108.86x = 89,410,769,227.07
  5. Step 5: Solve for x
    x = 89,410,769,227.07/392,108.86
  6. Step 6: Final answer
    x = 228,025.37

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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.