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Finding the Fourth Proportional to 503,872.42, 755,652.90 and 166,843.30

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Solution

The fourth proportional to 503,872.42, 755,652.90 and 166,843.30 is: 250,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,872.42 : 755,652.90 = 166,843.30 : x
  2. Step 2: Convert to fraction form
    503,872.42/755,652.90 = 166,843.30/x
  3. Step 3: Cross multiply
    503,872.42x = 755,652.90 × 166,843.30
  4. Step 4: Simplify right side
    503,872.42x = 126,075,623,490.57
  5. Step 5: Solve for x
    x = 126,075,623,490.57/503,872.42
  6. Step 6: Final answer
    x = 250,213.38

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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.