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Finding the Fourth Proportional to 247,611.74, 371,629.70 and 245,747.94

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Solution

The fourth proportional to 247,611.74, 371,629.70 and 245,747.94 is: 368,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,611.74 : 371,629.70 = 245,747.94 : x
  2. Step 2: Convert to fraction form
    247,611.74/371,629.70 = 245,747.94/x
  3. Step 3: Cross multiply
    247,611.74x = 371,629.70 × 245,747.94
  4. Step 4: Simplify right side
    247,611.74x = 91,327,233,217.82
  5. Step 5: Solve for x
    x = 91,327,233,217.82/247,611.74
  6. Step 6: Final answer
    x = 368,832.40

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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.