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Finding the Fourth Proportional to 451,299.84, 622,793.70 and 247,357.32

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Solution

The fourth proportional to 451,299.84, 622,793.70 and 247,357.32 is: 341,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,299.84 : 622,793.70 = 247,357.32 : x
  2. Step 2: Convert to fraction form
    451,299.84/622,793.70 = 247,357.32/x
  3. Step 3: Cross multiply
    451,299.84x = 622,793.70 × 247,357.32
  4. Step 4: Simplify right side
    451,299.84x = 154,052,580,544.88
  5. Step 5: Solve for x
    x = 154,052,580,544.88/451,299.84
  6. Step 6: Final answer
    x = 341,353.06

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Why These Related Problems?

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