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Finding the Fourth Proportional to 274,326.54, 411,664.76 and 116,555.04

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Solution

The fourth proportional to 274,326.54, 411,664.76 and 116,555.04 is: 174,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,326.54 : 411,664.76 = 116,555.04 : x
  2. Step 2: Convert to fraction form
    274,326.54/411,664.76 = 116,555.04/x
  3. Step 3: Cross multiply
    274,326.54x = 411,664.76 × 116,555.04
  4. Step 4: Simplify right side
    274,326.54x = 47,981,602,568.39
  5. Step 5: Solve for x
    x = 47,981,602,568.39/274,326.54
  6. Step 6: Final answer
    x = 174,906.89

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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.