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Finding the Fourth Proportional to 526,522.41, 789,912.41 and 171,538.29

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Solution

The fourth proportional to 526,522.41, 789,912.41 and 171,538.29 is: 257,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,522.41 : 789,912.41 = 171,538.29 : x
  2. Step 2: Convert to fraction form
    526,522.41/789,912.41 = 171,538.29/x
  3. Step 3: Cross multiply
    526,522.41x = 789,912.41 × 171,538.29
  4. Step 4: Simplify right side
    526,522.41x = 135,500,223,203.49
  5. Step 5: Solve for x
    x = 135,500,223,203.49/526,522.41
  6. Step 6: Final answer
    x = 257,349.39

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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.