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Finding the Fourth Proportional to 448,147.62, 618,443.78 and 244,198.58

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Solution

The fourth proportional to 448,147.62, 618,443.78 and 244,198.58 is: 336,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,147.62 : 618,443.78 = 244,198.58 : x
  2. Step 2: Convert to fraction form
    448,147.62/618,443.78 = 244,198.58/x
  3. Step 3: Cross multiply
    448,147.62x = 618,443.78 × 244,198.58
  4. Step 4: Simplify right side
    448,147.62x = 151,023,088,572.62
  5. Step 5: Solve for x
    x = 151,023,088,572.62/448,147.62
  6. Step 6: Final answer
    x = 336,994.07

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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.