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Finding the Fourth Proportional to 352,063.35, 485,639.25 and 224,738.93

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Solution

The fourth proportional to 352,063.35, 485,639.25 and 224,738.93 is: 310,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,063.35 : 485,639.25 = 224,738.93 : x
  2. Step 2: Convert to fraction form
    352,063.35/485,639.25 = 224,738.93/x
  3. Step 3: Cross multiply
    352,063.35x = 485,639.25 × 224,738.93
  4. Step 4: Simplify right side
    352,063.35x = 109,142,042,982.81
  5. Step 5: Solve for x
    x = 109,142,042,982.81/352,063.35
  6. Step 6: Final answer
    x = 310,006.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.