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Finding the Fourth Proportional to 351,589.96, 527,409.54 and 174,049.30

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Solution

The fourth proportional to 351,589.96, 527,409.54 and 174,049.30 is: 261,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,589.96 : 527,409.54 = 174,049.30 : x
  2. Step 2: Convert to fraction form
    351,589.96/527,409.54 = 174,049.30/x
  3. Step 3: Cross multiply
    351,589.96x = 527,409.54 × 174,049.30
  4. Step 4: Simplify right side
    351,589.96x = 91,795,261,250.32
  5. Step 5: Solve for x
    x = 91,795,261,250.32/351,589.96
  6. Step 6: Final answer
    x = 261,086.13

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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.