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Finding the Fourth Proportional to 349,469.53, 523,519.21 and 181,100.30

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Solution

The fourth proportional to 349,469.53, 523,519.21 and 181,100.30 is: 271,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,469.53 : 523,519.21 = 181,100.30 : x
  2. Step 2: Convert to fraction form
    349,469.53/523,519.21 = 181,100.30/x
  3. Step 3: Cross multiply
    349,469.53x = 523,519.21 × 181,100.30
  4. Step 4: Simplify right side
    349,469.53x = 94,809,482,916.42
  5. Step 5: Solve for x
    x = 94,809,482,916.42/349,469.53
  6. Step 6: Final answer
    x = 271,295.42

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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.