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Finding the Fourth Proportional to 247,607.22, 342,018.48 and 204,759.78

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Solution

The fourth proportional to 247,607.22, 342,018.48 and 204,759.78 is: 282,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,607.22 : 342,018.48 = 204,759.78 : x
  2. Step 2: Convert to fraction form
    247,607.22/342,018.48 = 204,759.78/x
  3. Step 3: Cross multiply
    247,607.22x = 342,018.48 × 204,759.78
  4. Step 4: Simplify right side
    247,607.22x = 70,031,628,720.73
  5. Step 5: Solve for x
    x = 70,031,628,720.73/247,607.22
  6. Step 6: Final answer
    x = 282,833.55

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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.