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Finding the Fourth Proportional to 308,874.96, 463,612.03 and 149,063.37

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Solution

The fourth proportional to 308,874.96, 463,612.03 and 149,063.37 is: 223,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,874.96 : 463,612.03 = 149,063.37 : x
  2. Step 2: Convert to fraction form
    308,874.96/463,612.03 = 149,063.37/x
  3. Step 3: Cross multiply
    308,874.96x = 463,612.03 × 149,063.37
  4. Step 4: Simplify right side
    308,874.96x = 69,107,571,564.34
  5. Step 5: Solve for x
    x = 69,107,571,564.34/308,874.96
  6. Step 6: Final answer
    x = 223,739.64

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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.