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Finding the Fourth Proportional to 319,628.92, 479,538.78 and 94,996.84

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Solution

The fourth proportional to 319,628.92, 479,538.78 and 94,996.84 is: 142,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,628.92 : 479,538.78 = 94,996.84 : x
  2. Step 2: Convert to fraction form
    319,628.92/479,538.78 = 94,996.84/x
  3. Step 3: Cross multiply
    319,628.92x = 479,538.78 × 94,996.84
  4. Step 4: Simplify right side
    319,628.92x = 45,554,668,757.46
  5. Step 5: Solve for x
    x = 45,554,668,757.46/319,628.92
  6. Step 6: Final answer
    x = 142,523.61

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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.