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Finding the Fourth Proportional to 274,785.86, 412,186.91 and 234,551.17

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Solution

The fourth proportional to 274,785.86, 412,186.91 and 234,551.17 is: 351,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,785.86 : 412,186.91 = 234,551.17 : x
  2. Step 2: Convert to fraction form
    274,785.86/412,186.91 = 234,551.17/x
  3. Step 3: Cross multiply
    274,785.86x = 412,186.91 × 234,551.17
  4. Step 4: Simplify right side
    274,785.86x = 96,678,919,795.96
  5. Step 5: Solve for x
    x = 96,678,919,795.96/274,785.86
  6. Step 6: Final answer
    x = 351,833.68

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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.