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Finding the Fourth Proportional to 441,554.89, 662,379.74 and 188,861.62

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Solution

The fourth proportional to 441,554.89, 662,379.74 and 188,861.62 is: 283,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,554.89 : 662,379.74 = 188,861.62 : x
  2. Step 2: Convert to fraction form
    441,554.89/662,379.74 = 188,861.62/x
  3. Step 3: Cross multiply
    441,554.89x = 662,379.74 × 188,861.62
  4. Step 4: Simplify right side
    441,554.89x = 125,098,110,751.58
  5. Step 5: Solve for x
    x = 125,098,110,751.58/441,554.89
  6. Step 6: Final answer
    x = 283,312.71

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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.