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Finding the Fourth Proportional to 308,817.88, 463,245.18 and 119,279.68

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Solution

The fourth proportional to 308,817.88, 463,245.18 and 119,279.68 is: 178,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,817.88 : 463,245.18 = 119,279.68 : x
  2. Step 2: Convert to fraction form
    308,817.88/463,245.18 = 119,279.68/x
  3. Step 3: Cross multiply
    308,817.88x = 463,245.18 × 119,279.68
  4. Step 4: Simplify right side
    308,817.88x = 55,255,736,831.94
  5. Step 5: Solve for x
    x = 55,255,736,831.94/308,817.88
  6. Step 6: Final answer
    x = 178,926.61

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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.