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Finding the Fourth Proportional to 379,960.86, 569,591.37 and 169,483.98

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Solution

The fourth proportional to 379,960.86, 569,591.37 and 169,483.98 is: 254,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,960.86 : 569,591.37 = 169,483.98 : x
  2. Step 2: Convert to fraction form
    379,960.86/569,591.37 = 169,483.98/x
  3. Step 3: Cross multiply
    379,960.86x = 569,591.37 × 169,483.98
  4. Step 4: Simplify right side
    379,960.86x = 96,536,612,361.25
  5. Step 5: Solve for x
    x = 96,536,612,361.25/379,960.86
  6. Step 6: Final answer
    x = 254,069.89

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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.