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Finding the Fourth Proportional to 379,151.66, 568,725.87 and 154,461.98

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Solution

The fourth proportional to 379,151.66, 568,725.87 and 154,461.98 is: 231,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,151.66 : 568,725.87 = 154,461.98 : x
  2. Step 2: Convert to fraction form
    379,151.66/568,725.87 = 154,461.98/x
  3. Step 3: Cross multiply
    379,151.66x = 568,725.87 × 154,461.98
  4. Step 4: Simplify right side
    379,151.66x = 87,846,523,957.42
  5. Step 5: Solve for x
    x = 87,846,523,957.42/379,151.66
  6. Step 6: Final answer
    x = 231,692.31

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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.