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Finding the Fourth Proportional to 448,054.70, 618,313.62 and 244,105

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Solution

The fourth proportional to 448,054.70, 618,313.62 and 244,105 is: 336,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,054.70 : 618,313.62 = 244,105 : x
  2. Step 2: Convert to fraction form
    448,054.70/618,313.62 = 244,105/x
  3. Step 3: Cross multiply
    448,054.70x = 618,313.62 × 244,105
  4. Step 4: Simplify right side
    448,054.70x = 150,933,446,210.10
  5. Step 5: Solve for x
    x = 150,933,446,210.10/448,054.70
  6. Step 6: Final answer
    x = 336,863.88

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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.