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Finding the Fourth Proportional to 300,792.47, 451,409.23 and 242,333.96

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Solution

The fourth proportional to 300,792.47, 451,409.23 and 242,333.96 is: 363,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,792.47 : 451,409.23 = 242,333.96 : x
  2. Step 2: Convert to fraction form
    300,792.47/451,409.23 = 242,333.96/x
  3. Step 3: Cross multiply
    300,792.47x = 451,409.23 × 242,333.96
  4. Step 4: Simplify right side
    300,792.47x = 109,391,786,286.45
  5. Step 5: Solve for x
    x = 109,391,786,286.45/300,792.47
  6. Step 6: Final answer
    x = 363,678.61

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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.