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Finding the Fourth Proportional to 308,274.61, 462,401.49 and 108,589.77

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Solution

The fourth proportional to 308,274.61, 462,401.49 and 108,589.77 is: 162,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,274.61 : 462,401.49 = 108,589.77 : x
  2. Step 2: Convert to fraction form
    308,274.61/462,401.49 = 108,589.77/x
  3. Step 3: Cross multiply
    308,274.61x = 462,401.49 × 108,589.77
  4. Step 4: Simplify right side
    308,274.61x = 50,212,072,059.81
  5. Step 5: Solve for x
    x = 50,212,072,059.81/308,274.61
  6. Step 6: Final answer
    x = 162,880.99

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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.