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Finding the Fourth Proportional to 382,992.50, 574,751.24 and 133,674.50

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Solution

The fourth proportional to 382,992.50, 574,751.24 and 133,674.50 is: 200,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,992.50 : 574,751.24 = 133,674.50 : x
  2. Step 2: Convert to fraction form
    382,992.50/574,751.24 = 133,674.50/x
  3. Step 3: Cross multiply
    382,992.50x = 574,751.24 × 133,674.50
  4. Step 4: Simplify right side
    382,992.50x = 76,829,584,631.38
  5. Step 5: Solve for x
    x = 76,829,584,631.38/382,992.50
  6. Step 6: Final answer
    x = 200,603.37

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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.