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Finding the Fourth Proportional to 382,975.38, 574,063.74 and 214,248.33

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Solution

The fourth proportional to 382,975.38, 574,063.74 and 214,248.33 is: 321,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,975.38 : 574,063.74 = 214,248.33 : x
  2. Step 2: Convert to fraction form
    382,975.38/574,063.74 = 214,248.33/x
  3. Step 3: Cross multiply
    382,975.38x = 574,063.74 × 214,248.33
  4. Step 4: Simplify right side
    382,975.38x = 122,992,197,608.55
  5. Step 5: Solve for x
    x = 122,992,197,608.55/382,975.38
  6. Step 6: Final answer
    x = 321,149.10

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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.