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Finding the Fourth Proportional to 351,882.54, 527,427.72 and 174,516.84

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Solution

The fourth proportional to 351,882.54, 527,427.72 and 174,516.84 is: 261,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,882.54 : 527,427.72 = 174,516.84 : x
  2. Step 2: Convert to fraction form
    351,882.54/527,427.72 = 174,516.84/x
  3. Step 3: Cross multiply
    351,882.54x = 527,427.72 × 174,516.84
  4. Step 4: Simplify right side
    351,882.54x = 92,045,019,022.80
  5. Step 5: Solve for x
    x = 92,045,019,022.80/351,882.54
  6. Step 6: Final answer
    x = 261,578.82

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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.