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Finding the Fourth Proportional to 247,788.40, 371,682.60 and 204,048.40

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Solution

The fourth proportional to 247,788.40, 371,682.60 and 204,048.40 is: 306,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,788.40 : 371,682.60 = 204,048.40 : x
  2. Step 2: Convert to fraction form
    247,788.40/371,682.60 = 204,048.40/x
  3. Step 3: Cross multiply
    247,788.40x = 371,682.60 × 204,048.40
  4. Step 4: Simplify right side
    247,788.40x = 75,841,239,837.84
  5. Step 5: Solve for x
    x = 75,841,239,837.84/247,788.40
  6. Step 6: Final answer
    x = 306,072.60

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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.