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Finding the Fourth Proportional to 308,752.28, 463,063.61 and 87,084.44

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Solution

The fourth proportional to 308,752.28, 463,063.61 and 87,084.44 is: 130,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,752.28 : 463,063.61 = 87,084.44 : x
  2. Step 2: Convert to fraction form
    308,752.28/463,063.61 = 87,084.44/x
  3. Step 3: Cross multiply
    308,752.28x = 463,063.61 × 87,084.44
  4. Step 4: Simplify right side
    308,752.28x = 40,325,635,161.23
  5. Step 5: Solve for x
    x = 40,325,635,161.23/308,752.28
  6. Step 6: Final answer
    x = 130,608.38

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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.