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Finding the Fourth Proportional to 308,880, 426,251.52 and 174,744

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Solution

The fourth proportional to 308,880, 426,251.52 and 174,744 is: 241,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,880 : 426,251.52 = 174,744 : x
  2. Step 2: Convert to fraction form
    308,880/426,251.52 = 174,744/x
  3. Step 3: Cross multiply
    308,880x = 426,251.52 × 174,744
  4. Step 4: Simplify right side
    308,880x = 74,484,895,610.88
  5. Step 5: Solve for x
    x = 74,484,895,610.88/308,880
  6. Step 6: Final answer
    x = 241,145.09

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