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Finding the Fourth Proportional to 448,187.63, 618,498.94 and 244,238.49

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Solution

The fourth proportional to 448,187.63, 618,498.94 and 244,238.49 is: 337,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,187.63 : 618,498.94 = 244,238.49 : x
  2. Step 2: Convert to fraction form
    448,187.63/618,498.94 = 244,238.49/x
  3. Step 3: Cross multiply
    448,187.63x = 618,498.94 × 244,238.49
  4. Step 4: Simplify right side
    448,187.63x = 151,061,247,019.55
  5. Step 5: Solve for x
    x = 151,061,247,019.55/448,187.63
  6. Step 6: Final answer
    x = 337,049.12

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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.