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Finding the Fourth Proportional to 329,668.65, 494,338.88 and 104,999.96

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Solution

The fourth proportional to 329,668.65, 494,338.88 and 104,999.96 is: 157,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,668.65 : 494,338.88 = 104,999.96 : x
  2. Step 2: Convert to fraction form
    329,668.65/494,338.88 = 104,999.96/x
  3. Step 3: Cross multiply
    329,668.65x = 494,338.88 × 104,999.96
  4. Step 4: Simplify right side
    329,668.65x = 51,905,564,124.79
  5. Step 5: Solve for x
    x = 51,905,564,124.79/329,668.65
  6. Step 6: Final answer
    x = 157,447.68

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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.