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Finding the Fourth Proportional to 573,234.56, 859,974.09 and 194,142.03

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Solution

The fourth proportional to 573,234.56, 859,974.09 and 194,142.03 is: 291,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,234.56 : 859,974.09 = 194,142.03 : x
  2. Step 2: Convert to fraction form
    573,234.56/859,974.09 = 194,142.03/x
  3. Step 3: Cross multiply
    573,234.56x = 859,974.09 × 194,142.03
  4. Step 4: Simplify right side
    573,234.56x = 166,957,114,609.29
  5. Step 5: Solve for x
    x = 166,957,114,609.29/573,234.56
  6. Step 6: Final answer
    x = 291,254.45

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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.