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Finding the Fourth Proportional to 382,510.23, 573,758.87 and 133,185.75

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Solution

The fourth proportional to 382,510.23, 573,758.87 and 133,185.75 is: 199,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,510.23 : 573,758.87 = 133,185.75 : x
  2. Step 2: Convert to fraction form
    382,510.23/573,758.87 = 133,185.75/x
  3. Step 3: Cross multiply
    382,510.23x = 573,758.87 × 133,185.75
  4. Step 4: Simplify right side
    382,510.23x = 76,416,504,754.17
  5. Step 5: Solve for x
    x = 76,416,504,754.17/382,510.23
  6. Step 6: Final answer
    x = 199,776.37

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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.